Home / 1,044,395.80-1,566,593.70-689,810.20

Finding the Fourth Proportional to 1,044,395.80, 1,566,593.70 and 689,810.20

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Solution

The fourth proportional to 1,044,395.80, 1,566,593.70 and 689,810.20 is: 1,034,715.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044,395.80 : 1,566,593.70 = 689,810.20 : x
  2. Step 2: Convert to fraction form
    1,044,395.80/1,566,593.70 = 689,810.20/x
  3. Step 3: Cross multiply
    1,044,395.80x = 1,566,593.70 × 689,810.20
  4. Step 4: Simplify right side
    1,044,395.80x = 1,080,652,313,515.74
  5. Step 5: Solve for x
    x = 1,080,652,313,515.74/1,044,395.80
  6. Step 6: Final answer
    x = 1,034,715.30

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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.