Home / 1,038,658.40-1,558,862.40-408,024.80

Finding the Fourth Proportional to 1,038,658.40, 1,558,862.40 and 408,024.80

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Solution

The fourth proportional to 1,038,658.40, 1,558,862.40 and 408,024.80 is: 612,380.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,658.40 : 1,558,862.40 = 408,024.80 : x
  2. Step 2: Convert to fraction form
    1,038,658.40/1,558,862.40 = 408,024.80/x
  3. Step 3: Cross multiply
    1,038,658.40x = 1,558,862.40 × 408,024.80
  4. Step 4: Simplify right side
    1,038,658.40x = 636,054,518,987.52
  5. Step 5: Solve for x
    x = 636,054,518,987.52/1,038,658.40
  6. Step 6: Final answer
    x = 612,380.85

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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.