Home / 1,500,097.52-2,070,140.02-811,769.31

Finding the Fourth Proportional to 1,500,097.52, 2,070,140.02 and 811,769.31

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Solution

The fourth proportional to 1,500,097.52, 2,070,140.02 and 811,769.31 is: 1,120,244.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,097.52 : 2,070,140.02 = 811,769.31 : x
  2. Step 2: Convert to fraction form
    1,500,097.52/2,070,140.02 = 811,769.31/x
  3. Step 3: Cross multiply
    1,500,097.52x = 2,070,140.02 × 811,769.31
  4. Step 4: Simplify right side
    1,500,097.52x = 1,680,476,133,609.36
  5. Step 5: Solve for x
    x = 1,680,476,133,609.36/1,500,097.52
  6. Step 6: Final answer
    x = 1,120,244.59

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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.