Home / 1,348,510.42-1,861,001.02-775,551.12

Finding the Fourth Proportional to 1,348,510.42, 1,861,001.02 and 775,551.12

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Solution

The fourth proportional to 1,348,510.42, 1,861,001.02 and 775,551.12 is: 1,070,293.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348,510.42 : 1,861,001.02 = 775,551.12 : x
  2. Step 2: Convert to fraction form
    1,348,510.42/1,861,001.02 = 775,551.12/x
  3. Step 3: Cross multiply
    1,348,510.42x = 1,861,001.02 × 775,551.12
  4. Step 4: Simplify right side
    1,348,510.42x = 1,443,301,425,382.14
  5. Step 5: Solve for x
    x = 1,443,301,425,382.14/1,348,510.42
  6. Step 6: Final answer
    x = 1,070,293.12

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Double scale
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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.