Home / 918,001.60-1,266,817.02-510,092.96

Finding the Fourth Proportional to 918,001.60, 1,266,817.02 and 510,092.96

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Solution

The fourth proportional to 918,001.60, 1,266,817.02 and 510,092.96 is: 703,914.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,001.60 : 1,266,817.02 = 510,092.96 : x
  2. Step 2: Convert to fraction form
    918,001.60/1,266,817.02 = 510,092.96/x
  3. Step 3: Cross multiply
    918,001.60x = 1,266,817.02 × 510,092.96
  4. Step 4: Simplify right side
    918,001.60x = 646,194,443,510.18
  5. Step 5: Solve for x
    x = 646,194,443,510.18/918,001.60
  6. Step 6: Final answer
    x = 703,914.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.