Home / 1,006,987.20-1,510,480.80-559,089.60

Finding the Fourth Proportional to 1,006,987.20, 1,510,480.80 and 559,089.60

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Solution

The fourth proportional to 1,006,987.20, 1,510,480.80 and 559,089.60 is: 838,634.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,987.20 : 1,510,480.80 = 559,089.60 : x
  2. Step 2: Convert to fraction form
    1,006,987.20/1,510,480.80 = 559,089.60/x
  3. Step 3: Cross multiply
    1,006,987.20x = 1,510,480.80 × 559,089.60
  4. Step 4: Simplify right side
    1,006,987.20x = 844,494,106,279.68
  5. Step 5: Solve for x
    x = 844,494,106,279.68/1,006,987.20
  6. Step 6: Final answer
    x = 838,634.40

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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.