Home / 1,049,997.90-1,574,996.85-385,409.10

Finding the Fourth Proportional to 1,049,997.90, 1,574,996.85 and 385,409.10

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Solution

The fourth proportional to 1,049,997.90, 1,574,996.85 and 385,409.10 is: 578,113.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,997.90 : 1,574,996.85 = 385,409.10 : x
  2. Step 2: Convert to fraction form
    1,049,997.90/1,574,996.85 = 385,409.10/x
  3. Step 3: Cross multiply
    1,049,997.90x = 1,574,996.85 × 385,409.10
  4. Step 4: Simplify right side
    1,049,997.90x = 607,018,118,461.34
  5. Step 5: Solve for x
    x = 607,018,118,461.34/1,049,997.90
  6. Step 6: Final answer
    x = 578,113.65

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.