Home / 746,821.20-1,118,158.20-726,085.20

Finding the Fourth Proportional to 746,821.20, 1,118,158.20 and 726,085.20

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Solution

The fourth proportional to 746,821.20, 1,118,158.20 and 726,085.20 is: 1,087,111.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,821.20 : 1,118,158.20 = 726,085.20 : x
  2. Step 2: Convert to fraction form
    746,821.20/1,118,158.20 = 726,085.20/x
  3. Step 3: Cross multiply
    746,821.20x = 1,118,158.20 × 726,085.20
  4. Step 4: Simplify right side
    746,821.20x = 811,878,120,278.64
  5. Step 5: Solve for x
    x = 811,878,120,278.64/746,821.20
  6. Step 6: Final answer
    x = 1,087,111.77

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1.5x scale

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.