Home / 1,013,140.26-1,398,136.40-560,431.26

Finding the Fourth Proportional to 1,013,140.26, 1,398,136.40 and 560,431.26

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Solution

The fourth proportional to 1,013,140.26, 1,398,136.40 and 560,431.26 is: 773,396.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,140.26 : 1,398,136.40 = 560,431.26 : x
  2. Step 2: Convert to fraction form
    1,013,140.26/1,398,136.40 = 560,431.26/x
  3. Step 3: Cross multiply
    1,013,140.26x = 1,398,136.40 × 560,431.26
  4. Step 4: Simplify right side
    1,013,140.26x = 783,559,344,303.86
  5. Step 5: Solve for x
    x = 783,559,344,303.86/1,013,140.26
  6. Step 6: Final answer
    x = 773,396.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.