Home / 1,337,058.87-2,005,391.01-390,175.35

Finding the Fourth Proportional to 1,337,058.87, 2,005,391.01 and 390,175.35

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Solution

The fourth proportional to 1,337,058.87, 2,005,391.01 and 390,175.35 is: 585,205.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337,058.87 : 2,005,391.01 = 390,175.35 : x
  2. Step 2: Convert to fraction form
    1,337,058.87/2,005,391.01 = 390,175.35/x
  3. Step 3: Cross multiply
    1,337,058.87x = 2,005,391.01 × 390,175.35
  4. Step 4: Simplify right side
    1,337,058.87x = 782,454,139,213.60
  5. Step 5: Solve for x
    x = 782,454,139,213.60/1,337,058.87
  6. Step 6: Final answer
    x = 585,205.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.