Home / 1,501,890.18-2,253,129.30-660,439.50

Finding the Fourth Proportional to 1,501,890.18, 2,253,129.30 and 660,439.50

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Solution

The fourth proportional to 1,501,890.18, 2,253,129.30 and 660,439.50 is: 990,788.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,501,890.18 : 2,253,129.30 = 660,439.50 : x
  2. Step 2: Convert to fraction form
    1,501,890.18/2,253,129.30 = 660,439.50/x
  3. Step 3: Cross multiply
    1,501,890.18x = 2,253,129.30 × 660,439.50
  4. Step 4: Simplify right side
    1,501,890.18x = 1,488,055,588,327.35
  5. Step 5: Solve for x
    x = 1,488,055,588,327.35/1,501,890.18
  6. Step 6: Final answer
    x = 990,788.55

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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.