Home / 1,007,215.98-1,390,058.46-752,124.30

Finding the Fourth Proportional to 1,007,215.98, 1,390,058.46 and 752,124.30

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Solution

The fourth proportional to 1,007,215.98, 1,390,058.46 and 752,124.30 is: 1,038,006.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,215.98 : 1,390,058.46 = 752,124.30 : x
  2. Step 2: Convert to fraction form
    1,007,215.98/1,390,058.46 = 752,124.30/x
  3. Step 3: Cross multiply
    1,007,215.98x = 1,390,058.46 × 752,124.30
  4. Step 4: Simplify right side
    1,007,215.98x = 1,045,496,746,186.58
  5. Step 5: Solve for x
    x = 1,045,496,746,186.58/1,007,215.98
  6. Step 6: Final answer
    x = 1,038,006.51

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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.