Home / 1,292,505.04-1,783,719.39-719,545.06

Finding the Fourth Proportional to 1,292,505.04, 1,783,719.39 and 719,545.06

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Solution

The fourth proportional to 1,292,505.04, 1,783,719.39 and 719,545.06 is: 993,006.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,505.04 : 1,783,719.39 = 719,545.06 : x
  2. Step 2: Convert to fraction form
    1,292,505.04/1,783,719.39 = 719,545.06/x
  3. Step 3: Cross multiply
    1,292,505.04x = 1,783,719.39 × 719,545.06
  4. Step 4: Simplify right side
    1,292,505.04x = 1,283,466,475,500.71
  5. Step 5: Solve for x
    x = 1,283,466,475,500.71/1,292,505.04
  6. Step 6: Final answer
    x = 993,006.94

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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.