Home / 917,187.73-1,369,605.43-749,041.85

Finding the Fourth Proportional to 917,187.73, 1,369,605.43 and 749,041.85

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Solution

The fourth proportional to 917,187.73, 1,369,605.43 and 749,041.85 is: 1,118,518.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,187.73 : 1,369,605.43 = 749,041.85 : x
  2. Step 2: Convert to fraction form
    917,187.73/1,369,605.43 = 749,041.85/x
  3. Step 3: Cross multiply
    917,187.73x = 1,369,605.43 × 749,041.85
  4. Step 4: Simplify right side
    917,187.73x = 1,025,891,789,417.56
  5. Step 5: Solve for x
    x = 1,025,891,789,417.56/917,187.73
  6. Step 6: Final answer
    x = 1,118,518.88

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.