Home / 1,442,885.40-2,164,328.10-378,035.10

Finding the Fourth Proportional to 1,442,885.40, 2,164,328.10 and 378,035.10

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Solution

The fourth proportional to 1,442,885.40, 2,164,328.10 and 378,035.10 is: 567,052.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,442,885.40 : 2,164,328.10 = 378,035.10 : x
  2. Step 2: Convert to fraction form
    1,442,885.40/2,164,328.10 = 378,035.10/x
  3. Step 3: Cross multiply
    1,442,885.40x = 2,164,328.10 × 378,035.10
  4. Step 4: Simplify right side
    1,442,885.40x = 818,191,989,716.31
  5. Step 5: Solve for x
    x = 818,191,989,716.31/1,442,885.40
  6. Step 6: Final answer
    x = 567,052.65

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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.