Home / 1,132,818.40-1,699,304.40-384,920.80

Finding the Fourth Proportional to 1,132,818.40, 1,699,304.40 and 384,920.80

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Solution

The fourth proportional to 1,132,818.40, 1,699,304.40 and 384,920.80 is: 577,407.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,818.40 : 1,699,304.40 = 384,920.80 : x
  2. Step 2: Convert to fraction form
    1,132,818.40/1,699,304.40 = 384,920.80/x
  3. Step 3: Cross multiply
    1,132,818.40x = 1,699,304.40 × 384,920.80
  4. Step 4: Simplify right side
    1,132,818.40x = 654,097,609,091.52
  5. Step 5: Solve for x
    x = 654,097,609,091.52/1,132,818.40
  6. Step 6: Final answer
    x = 577,407.30

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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.