Home / 842,017.20-1,266,136.20-705,159.60

Finding the Fourth Proportional to 842,017.20, 1,266,136.20 and 705,159.60

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Solution

The fourth proportional to 842,017.20, 1,266,136.20 and 705,159.60 is: 1,060,344.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,017.20 : 1,266,136.20 = 705,159.60 : x
  2. Step 2: Convert to fraction form
    842,017.20/1,266,136.20 = 705,159.60/x
  3. Step 3: Cross multiply
    842,017.20x = 1,266,136.20 × 705,159.60
  4. Step 4: Simplify right side
    842,017.20x = 892,828,096,337.52
  5. Step 5: Solve for x
    x = 892,828,096,337.52/842,017.20
  6. Step 6: Final answer
    x = 1,060,344.25

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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.