Home / 1,048,387.20-1,570,275.72-866,410.20

Finding the Fourth Proportional to 1,048,387.20, 1,570,275.72 and 866,410.20

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Solution

The fourth proportional to 1,048,387.20, 1,570,275.72 and 866,410.20 is: 1,297,710.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,387.20 : 1,570,275.72 = 866,410.20 : x
  2. Step 2: Convert to fraction form
    1,048,387.20/1,570,275.72 = 866,410.20/x
  3. Step 3: Cross multiply
    1,048,387.20x = 1,570,275.72 × 866,410.20
  4. Step 4: Simplify right side
    1,048,387.20x = 1,360,502,900,620.34
  5. Step 5: Solve for x
    x = 1,360,502,900,620.34/1,048,387.20
  6. Step 6: Final answer
    x = 1,297,710.33

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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.