Home / 1,078,476.03-1,488,031.56-659,265.93

Finding the Fourth Proportional to 1,078,476.03, 1,488,031.56 and 659,265.93

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Solution

The fourth proportional to 1,078,476.03, 1,488,031.56 and 659,265.93 is: 909,624.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,476.03 : 1,488,031.56 = 659,265.93 : x
  2. Step 2: Convert to fraction form
    1,078,476.03/1,488,031.56 = 659,265.93/x
  3. Step 3: Cross multiply
    1,078,476.03x = 1,488,031.56 × 659,265.93
  4. Step 4: Simplify right side
    1,078,476.03x = 981,008,510,272.75
  5. Step 5: Solve for x
    x = 981,008,510,272.75/1,078,476.03
  6. Step 6: Final answer
    x = 909,624.77

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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.