Home / 1,331,417.60-1,996,929.52-489,772.52

Finding the Fourth Proportional to 1,331,417.60, 1,996,929.52 and 489,772.52

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Solution

The fourth proportional to 1,331,417.60, 1,996,929.52 and 489,772.52 is: 734,586.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,417.60 : 1,996,929.52 = 489,772.52 : x
  2. Step 2: Convert to fraction form
    1,331,417.60/1,996,929.52 = 489,772.52/x
  3. Step 3: Cross multiply
    1,331,417.60x = 1,996,929.52 × 489,772.52
  4. Step 4: Simplify right side
    1,331,417.60x = 978,041,203,272.79
  5. Step 5: Solve for x
    x = 978,041,203,272.79/1,331,417.60
  6. Step 6: Final answer
    x = 734,586.36

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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.