Home / 1,500,098.03-2,070,140.71-811,769.81

Finding the Fourth Proportional to 1,500,098.03, 2,070,140.71 and 811,769.81

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Solution

The fourth proportional to 1,500,098.03, 2,070,140.71 and 811,769.81 is: 1,120,245.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,098.03 : 2,070,140.71 = 811,769.81 : x
  2. Step 2: Convert to fraction form
    1,500,098.03/2,070,140.71 = 811,769.81/x
  3. Step 3: Cross multiply
    1,500,098.03x = 2,070,140.71 × 811,769.81
  4. Step 4: Simplify right side
    1,500,098.03x = 1,680,477,730,829.97
  5. Step 5: Solve for x
    x = 1,680,477,730,829.97/1,500,098.03
  6. Step 6: Final answer
    x = 1,120,245.28

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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.