Home / 1,025,900.60-1,539,018.11-315,928.62

Finding the Fourth Proportional to 1,025,900.60, 1,539,018.11 and 315,928.62

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Solution

The fourth proportional to 1,025,900.60, 1,539,018.11 and 315,928.62 is: 473,944.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,900.60 : 1,539,018.11 = 315,928.62 : x
  2. Step 2: Convert to fraction form
    1,025,900.60/1,539,018.11 = 315,928.62/x
  3. Step 3: Cross multiply
    1,025,900.60x = 1,539,018.11 × 315,928.62
  4. Step 4: Simplify right side
    1,025,900.60x = 486,219,868,437.13
  5. Step 5: Solve for x
    x = 486,219,868,437.13/1,025,900.60
  6. Step 6: Final answer
    x = 473,944.43

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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.