Home / 1,261,578.74-1,740,718.77-724,931.06

Finding the Fourth Proportional to 1,261,578.74, 1,740,718.77 and 724,931.06

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Solution

The fourth proportional to 1,261,578.74, 1,740,718.77 and 724,931.06 is: 1,000,255.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,578.74 : 1,740,718.77 = 724,931.06 : x
  2. Step 2: Convert to fraction form
    1,261,578.74/1,740,718.77 = 724,931.06/x
  3. Step 3: Cross multiply
    1,261,578.74x = 1,740,718.77 × 724,931.06
  4. Step 4: Simplify right side
    1,261,578.74x = 1,261,901,103,098.00
  5. Step 5: Solve for x
    x = 1,261,901,103,098.00/1,261,578.74
  6. Step 6: Final answer
    x = 1,000,255.52

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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.