Home / 1,357,527.40-1,873,446.68-776,932.78

Finding the Fourth Proportional to 1,357,527.40, 1,873,446.68 and 776,932.78

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Solution

The fourth proportional to 1,357,527.40, 1,873,446.68 and 776,932.78 is: 1,072,200.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,527.40 : 1,873,446.68 = 776,932.78 : x
  2. Step 2: Convert to fraction form
    1,357,527.40/1,873,446.68 = 776,932.78/x
  3. Step 3: Cross multiply
    1,357,527.40x = 1,873,446.68 × 776,932.78
  4. Step 4: Simplify right side
    1,357,527.40x = 1,455,542,137,274.17
  5. Step 5: Solve for x
    x = 1,455,542,137,274.17/1,357,527.40
  6. Step 6: Final answer
    x = 1,072,200.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.