Home / 1,000,339.65-1,500,055.65-431,451.93

Finding the Fourth Proportional to 1,000,339.65, 1,500,055.65 and 431,451.93

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Solution

The fourth proportional to 1,000,339.65, 1,500,055.65 and 431,451.93 is: 646,982.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,339.65 : 1,500,055.65 = 431,451.93 : x
  2. Step 2: Convert to fraction form
    1,000,339.65/1,500,055.65 = 431,451.93/x
  3. Step 3: Cross multiply
    1,000,339.65x = 1,500,055.65 × 431,451.93
  4. Step 4: Simplify right side
    1,000,339.65x = 647,201,905,299.90
  5. Step 5: Solve for x
    x = 647,201,905,299.90/1,000,339.65
  6. Step 6: Final answer
    x = 646,982.16

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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.