Home / 1,392,447.64-2,088,933.90-992,095.42

Finding the Fourth Proportional to 1,392,447.64, 2,088,933.90 and 992,095.42

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Solution

The fourth proportional to 1,392,447.64, 2,088,933.90 and 992,095.42 is: 1,488,330.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,447.64 : 2,088,933.90 = 992,095.42 : x
  2. Step 2: Convert to fraction form
    1,392,447.64/2,088,933.90 = 992,095.42/x
  3. Step 3: Cross multiply
    1,392,447.64x = 2,088,933.90 × 992,095.42
  4. Step 4: Simplify right side
    1,392,447.64x = 2,072,421,754,872.74
  5. Step 5: Solve for x
    x = 2,072,421,754,872.74/1,392,447.64
  6. Step 6: Final answer
    x = 1,488,330.11

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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.