Home / 938,686.45-1,294,726.32-907,437.62

Finding the Fourth Proportional to 938,686.45, 1,294,726.32 and 907,437.62

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Solution

The fourth proportional to 938,686.45, 1,294,726.32 and 907,437.62 is: 1,251,624.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,686.45 : 1,294,726.32 = 907,437.62 : x
  2. Step 2: Convert to fraction form
    938,686.45/1,294,726.32 = 907,437.62/x
  3. Step 3: Cross multiply
    938,686.45x = 1,294,726.32 × 907,437.62
  4. Step 4: Simplify right side
    938,686.45x = 1,174,883,363,898.53
  5. Step 5: Solve for x
    x = 1,174,883,363,898.53/938,686.45
  6. Step 6: Final answer
    x = 1,251,624.94

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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.