Home / 1,254,278.20-1,881,417.30-455,585.80

Finding the Fourth Proportional to 1,254,278.20, 1,881,417.30 and 455,585.80

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Solution

The fourth proportional to 1,254,278.20, 1,881,417.30 and 455,585.80 is: 683,378.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,278.20 : 1,881,417.30 = 455,585.80 : x
  2. Step 2: Convert to fraction form
    1,254,278.20/1,881,417.30 = 455,585.80/x
  3. Step 3: Cross multiply
    1,254,278.20x = 1,881,417.30 × 455,585.80
  4. Step 4: Simplify right side
    1,254,278.20x = 857,147,005,754.34
  5. Step 5: Solve for x
    x = 857,147,005,754.34/1,254,278.20
  6. Step 6: Final answer
    x = 683,378.70

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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.