Home / 1,292,666.18-1,784,193.68-748,714.32

Finding the Fourth Proportional to 1,292,666.18, 1,784,193.68 and 748,714.32

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Solution

The fourth proportional to 1,292,666.18, 1,784,193.68 and 748,714.32 is: 1,033,407.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,666.18 : 1,784,193.68 = 748,714.32 : x
  2. Step 2: Convert to fraction form
    1,292,666.18/1,784,193.68 = 748,714.32/x
  3. Step 3: Cross multiply
    1,292,666.18x = 1,784,193.68 × 748,714.32
  4. Step 4: Simplify right side
    1,292,666.18x = 1,335,851,359,741.28
  5. Step 5: Solve for x
    x = 1,335,851,359,741.28/1,292,666.18
  6. Step 6: Final answer
    x = 1,033,407.84

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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.