Home / 1,153,903.12-1,731,240.14-726,946.04

Finding the Fourth Proportional to 1,153,903.12, 1,731,240.14 and 726,946.04

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Solution

The fourth proportional to 1,153,903.12, 1,731,240.14 and 726,946.04 is: 1,090,661.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,903.12 : 1,731,240.14 = 726,946.04 : x
  2. Step 2: Convert to fraction form
    1,153,903.12/1,731,240.14 = 726,946.04/x
  3. Step 3: Cross multiply
    1,153,903.12x = 1,731,240.14 × 726,946.04
  4. Step 4: Simplify right side
    1,153,903.12x = 1,258,518,164,755.42
  5. Step 5: Solve for x
    x = 1,258,518,164,755.42/1,153,903.12
  6. Step 6: Final answer
    x = 1,090,661.90

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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.