Home / 1,258,790.40-1,737,227.52-715,023.36

Finding the Fourth Proportional to 1,258,790.40, 1,737,227.52 and 715,023.36

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Solution

The fourth proportional to 1,258,790.40, 1,737,227.52 and 715,023.36 is: 986,787.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,790.40 : 1,737,227.52 = 715,023.36 : x
  2. Step 2: Convert to fraction form
    1,258,790.40/1,737,227.52 = 715,023.36/x
  3. Step 3: Cross multiply
    1,258,790.40x = 1,737,227.52 × 715,023.36
  4. Step 4: Simplify right side
    1,258,790.40x = 1,242,158,258,434.87
  5. Step 5: Solve for x
    x = 1,242,158,258,434.87/1,258,790.40
  6. Step 6: Final answer
    x = 986,787.20

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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.