Home / 748,090.14-1,122,127.53-187,124.70

Finding the Fourth Proportional to 748,090.14, 1,122,127.53 and 187,124.70

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Solution

The fourth proportional to 748,090.14, 1,122,127.53 and 187,124.70 is: 280,685.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,090.14 : 1,122,127.53 = 187,124.70 : x
  2. Step 2: Convert to fraction form
    748,090.14/1,122,127.53 = 187,124.70/x
  3. Step 3: Cross multiply
    748,090.14x = 1,122,127.53 × 187,124.70
  4. Step 4: Simplify right side
    748,090.14x = 209,977,777,412.99
  5. Step 5: Solve for x
    x = 209,977,777,412.99/748,090.14
  6. Step 6: Final answer
    x = 280,685.13

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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.