Home / 1,117,308.40-1,542,657-1,045,924.72

Finding the Fourth Proportional to 1,117,308.40, 1,542,657 and 1,045,924.72

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Solution

The fourth proportional to 1,117,308.40, 1,542,657 and 1,045,924.72 is: 1,444,098.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,308.40 : 1,542,657 = 1,045,924.72 : x
  2. Step 2: Convert to fraction form
    1,117,308.40/1,542,657 = 1,045,924.72/x
  3. Step 3: Cross multiply
    1,117,308.40x = 1,542,657 × 1,045,924.72
  4. Step 4: Simplify right side
    1,117,308.40x = 1,613,503,090,781.04
  5. Step 5: Solve for x
    x = 1,613,503,090,781.04/1,117,308.40
  6. Step 6: Final answer
    x = 1,444,098.24

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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.