Home / 1,560,306.60-2,340,459.90-761,711.40

Finding the Fourth Proportional to 1,560,306.60, 2,340,459.90 and 761,711.40

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Solution

The fourth proportional to 1,560,306.60, 2,340,459.90 and 761,711.40 is: 1,142,567.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560,306.60 : 2,340,459.90 = 761,711.40 : x
  2. Step 2: Convert to fraction form
    1,560,306.60/2,340,459.90 = 761,711.40/x
  3. Step 3: Cross multiply
    1,560,306.60x = 2,340,459.90 × 761,711.40
  4. Step 4: Simplify right side
    1,560,306.60x = 1,782,754,987,072.86
  5. Step 5: Solve for x
    x = 1,782,754,987,072.86/1,560,306.60
  6. Step 6: Final answer
    x = 1,142,567.10

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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.