Home / 1,437,221.52-2,156,029.11-490,338

Finding the Fourth Proportional to 1,437,221.52, 2,156,029.11 and 490,338

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Solution

The fourth proportional to 1,437,221.52, 2,156,029.11 and 490,338 is: 735,574.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,221.52 : 2,156,029.11 = 490,338 : x
  2. Step 2: Convert to fraction form
    1,437,221.52/2,156,029.11 = 490,338/x
  3. Step 3: Cross multiply
    1,437,221.52x = 2,156,029.11 × 490,338
  4. Step 4: Simplify right side
    1,437,221.52x = 1,057,183,001,739.18
  5. Step 5: Solve for x
    x = 1,057,183,001,739.18/1,437,221.52
  6. Step 6: Final answer
    x = 735,574.15

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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.