Home / 1,038,626.40-1,557,793.80-328,726.20

Finding the Fourth Proportional to 1,038,626.40, 1,557,793.80 and 328,726.20

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Solution

The fourth proportional to 1,038,626.40, 1,557,793.80 and 328,726.20 is: 493,043.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,626.40 : 1,557,793.80 = 328,726.20 : x
  2. Step 2: Convert to fraction form
    1,038,626.40/1,557,793.80 = 328,726.20/x
  3. Step 3: Cross multiply
    1,038,626.40x = 1,557,793.80 × 328,726.20
  4. Step 4: Simplify right side
    1,038,626.40x = 512,087,636,257.56
  5. Step 5: Solve for x
    x = 512,087,636,257.56/1,038,626.40
  6. Step 6: Final answer
    x = 493,043.15

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1.5x scale

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.