Home / 1,130,115.31-1,559,968.37-748,265.11

Finding the Fourth Proportional to 1,130,115.31, 1,559,968.37 and 748,265.11

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Solution

The fourth proportional to 1,130,115.31, 1,559,968.37 and 748,265.11 is: 1,032,876.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,115.31 : 1,559,968.37 = 748,265.11 : x
  2. Step 2: Convert to fraction form
    1,130,115.31/1,559,968.37 = 748,265.11/x
  3. Step 3: Cross multiply
    1,130,115.31x = 1,559,968.37 × 748,265.11
  4. Step 4: Simplify right side
    1,130,115.31x = 1,167,269,900,233.25
  5. Step 5: Solve for x
    x = 1,167,269,900,233.25/1,130,115.31
  6. Step 6: Final answer
    x = 1,032,876.81

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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.