Home / 812,125.60-1,219,570.80-602,000.80

Finding the Fourth Proportional to 812,125.60, 1,219,570.80 and 602,000.80

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Solution

The fourth proportional to 812,125.60, 1,219,570.80 and 602,000.80 is: 904,025.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,125.60 : 1,219,570.80 = 602,000.80 : x
  2. Step 2: Convert to fraction form
    812,125.60/1,219,570.80 = 602,000.80/x
  3. Step 3: Cross multiply
    812,125.60x = 1,219,570.80 × 602,000.80
  4. Step 4: Simplify right side
    812,125.60x = 734,182,597,256.64
  5. Step 5: Solve for x
    x = 734,182,597,256.64/812,125.60
  6. Step 6: Final answer
    x = 904,025.93

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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.