Home / 1,583,401.80-2,375,102.70-385,314.60

Finding the Fourth Proportional to 1,583,401.80, 2,375,102.70 and 385,314.60

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Solution

The fourth proportional to 1,583,401.80, 2,375,102.70 and 385,314.60 is: 577,971.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,583,401.80 : 2,375,102.70 = 385,314.60 : x
  2. Step 2: Convert to fraction form
    1,583,401.80/2,375,102.70 = 385,314.60/x
  3. Step 3: Cross multiply
    1,583,401.80x = 2,375,102.70 × 385,314.60
  4. Step 4: Simplify right side
    1,583,401.80x = 915,161,746,809.42
  5. Step 5: Solve for x
    x = 915,161,746,809.42/1,583,401.80
  6. Step 6: Final answer
    x = 577,971.90

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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.