Home / 1,148,435.51-1,584,749.40-665,031.97

Finding the Fourth Proportional to 1,148,435.51, 1,584,749.40 and 665,031.97

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Solution

The fourth proportional to 1,148,435.51, 1,584,749.40 and 665,031.97 is: 917,691.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,435.51 : 1,584,749.40 = 665,031.97 : x
  2. Step 2: Convert to fraction form
    1,148,435.51/1,584,749.40 = 665,031.97/x
  3. Step 3: Cross multiply
    1,148,435.51x = 1,584,749.40 × 665,031.97
  4. Step 4: Simplify right side
    1,148,435.51x = 1,053,909,007,514.57
  5. Step 5: Solve for x
    x = 1,053,909,007,514.57/1,148,435.51
  6. Step 6: Final answer
    x = 917,691.07

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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.