Home / 1,057,987.30-1,586,980.95-1,005,499.30

Finding the Fourth Proportional to 1,057,987.30, 1,586,980.95 and 1,005,499.30

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Solution

The fourth proportional to 1,057,987.30, 1,586,980.95 and 1,005,499.30 is: 1,508,248.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,987.30 : 1,586,980.95 = 1,005,499.30 : x
  2. Step 2: Convert to fraction form
    1,057,987.30/1,586,980.95 = 1,005,499.30/x
  3. Step 3: Cross multiply
    1,057,987.30x = 1,586,980.95 × 1,005,499.30
  4. Step 4: Simplify right side
    1,057,987.30x = 1,595,708,234,338.34
  5. Step 5: Solve for x
    x = 1,595,708,234,338.34/1,057,987.30
  6. Step 6: Final answer
    x = 1,508,248.95

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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.