Home / 1,435,648.70-2,153,764.65-489,115.10

Finding the Fourth Proportional to 1,435,648.70, 2,153,764.65 and 489,115.10

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Solution

The fourth proportional to 1,435,648.70, 2,153,764.65 and 489,115.10 is: 733,772.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,648.70 : 2,153,764.65 = 489,115.10 : x
  2. Step 2: Convert to fraction form
    1,435,648.70/2,153,764.65 = 489,115.10/x
  3. Step 3: Cross multiply
    1,435,648.70x = 2,153,764.65 × 489,115.10
  4. Step 4: Simplify right side
    1,435,648.70x = 1,053,438,812,161.21
  5. Step 5: Solve for x
    x = 1,053,438,812,161.21/1,435,648.70
  6. Step 6: Final answer
    x = 733,772.00

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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.