Home / 1,272,476.04-1,908,664.20-431,027.76

Finding the Fourth Proportional to 1,272,476.04, 1,908,664.20 and 431,027.76

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Solution

The fourth proportional to 1,272,476.04, 1,908,664.20 and 431,027.76 is: 646,524.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,476.04 : 1,908,664.20 = 431,027.76 : x
  2. Step 2: Convert to fraction form
    1,272,476.04/1,908,664.20 = 431,027.76/x
  3. Step 3: Cross multiply
    1,272,476.04x = 1,908,664.20 × 431,027.76
  4. Step 4: Simplify right side
    1,272,476.04x = 822,687,254,718.19
  5. Step 5: Solve for x
    x = 822,687,254,718.19/1,272,476.04
  6. Step 6: Final answer
    x = 646,524.75

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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.