Home / 1,030,458.66-1,545,691.94-430,999.30

Finding the Fourth Proportional to 1,030,458.66, 1,545,691.94 and 430,999.30

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Solution

The fourth proportional to 1,030,458.66, 1,545,691.94 and 430,999.30 is: 646,500.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,458.66 : 1,545,691.94 = 430,999.30 : x
  2. Step 2: Convert to fraction form
    1,030,458.66/1,545,691.94 = 430,999.30/x
  3. Step 3: Cross multiply
    1,030,458.66x = 1,545,691.94 × 430,999.30
  4. Step 4: Simplify right side
    1,030,458.66x = 666,192,144,155.64
  5. Step 5: Solve for x
    x = 666,192,144,155.64/1,030,458.66
  6. Step 6: Final answer
    x = 646,500.60

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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.