Home / 1,123,498.24-1,550,316.16-640,034.57

Finding the Fourth Proportional to 1,123,498.24, 1,550,316.16 and 640,034.57

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Solution

The fourth proportional to 1,123,498.24, 1,550,316.16 and 640,034.57 is: 883,184.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,498.24 : 1,550,316.16 = 640,034.57 : x
  2. Step 2: Convert to fraction form
    1,123,498.24/1,550,316.16 = 640,034.57/x
  3. Step 3: Cross multiply
    1,123,498.24x = 1,550,316.16 × 640,034.57
  4. Step 4: Simplify right side
    1,123,498.24x = 992,255,936,829.65
  5. Step 5: Solve for x
    x = 992,255,936,829.65/1,123,498.24
  6. Step 6: Final answer
    x = 883,184.24

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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.