Home / 1,200,691.04-1,798,150.32-686,798.68

Finding the Fourth Proportional to 1,200,691.04, 1,798,150.32 and 686,798.68

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Solution

The fourth proportional to 1,200,691.04, 1,798,150.32 and 686,798.68 is: 1,028,547.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,691.04 : 1,798,150.32 = 686,798.68 : x
  2. Step 2: Convert to fraction form
    1,200,691.04/1,798,150.32 = 686,798.68/x
  3. Step 3: Cross multiply
    1,200,691.04x = 1,798,150.32 × 686,798.68
  4. Step 4: Simplify right side
    1,200,691.04x = 1,234,967,266,217.58
  5. Step 5: Solve for x
    x = 1,234,967,266,217.58/1,200,691.04
  6. Step 6: Final answer
    x = 1,028,547.08

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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.