Home / 1,337,057.87-2,005,389.51-390,174.35

Finding the Fourth Proportional to 1,337,057.87, 2,005,389.51 and 390,174.35

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Solution

The fourth proportional to 1,337,057.87, 2,005,389.51 and 390,174.35 is: 585,203.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337,057.87 : 2,005,389.51 = 390,174.35 : x
  2. Step 2: Convert to fraction form
    1,337,057.87/2,005,389.51 = 390,174.35/x
  3. Step 3: Cross multiply
    1,337,057.87x = 2,005,389.51 × 390,174.35
  4. Step 4: Simplify right side
    1,337,057.87x = 782,451,538,534.12
  5. Step 5: Solve for x
    x = 782,451,538,534.12/1,337,057.87
  6. Step 6: Final answer
    x = 585,203.95

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1.5x scale

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.