Home / 1,091,567.40-1,637,351.10-671,080.20

Finding the Fourth Proportional to 1,091,567.40, 1,637,351.10 and 671,080.20

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Solution

The fourth proportional to 1,091,567.40, 1,637,351.10 and 671,080.20 is: 1,006,620.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,567.40 : 1,637,351.10 = 671,080.20 : x
  2. Step 2: Convert to fraction form
    1,091,567.40/1,637,351.10 = 671,080.20/x
  3. Step 3: Cross multiply
    1,091,567.40x = 1,637,351.10 × 671,080.20
  4. Step 4: Simplify right side
    1,091,567.40x = 1,098,793,903,658.22
  5. Step 5: Solve for x
    x = 1,098,793,903,658.22/1,091,567.40
  6. Step 6: Final answer
    x = 1,006,620.30

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Double scale
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Similar ratio
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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.