Home / 1,042,656.20-1,566,317.10-1,000,147.40

Finding the Fourth Proportional to 1,042,656.20, 1,566,317.10 and 1,000,147.40

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Solution

The fourth proportional to 1,042,656.20, 1,566,317.10 and 1,000,147.40 is: 1,502,458.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,656.20 : 1,566,317.10 = 1,000,147.40 : x
  2. Step 2: Convert to fraction form
    1,042,656.20/1,566,317.10 = 1,000,147.40/x
  3. Step 3: Cross multiply
    1,042,656.20x = 1,566,317.10 × 1,000,147.40
  4. Step 4: Simplify right side
    1,042,656.20x = 1,566,547,975,140.54
  5. Step 5: Solve for x
    x = 1,566,547,975,140.54/1,042,656.20
  6. Step 6: Final answer
    x = 1,502,458.79

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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.