Home / 1,172,548-1,758,373.65-639,784.27

Finding the Fourth Proportional to 1,172,548, 1,758,373.65 and 639,784.27

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Solution

The fourth proportional to 1,172,548, 1,758,373.65 and 639,784.27 is: 959,431.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,548 : 1,758,373.65 = 639,784.27 : x
  2. Step 2: Convert to fraction form
    1,172,548/1,758,373.65 = 639,784.27/x
  3. Step 3: Cross multiply
    1,172,548x = 1,758,373.65 × 639,784.27
  4. Step 4: Simplify right side
    1,172,548x = 1,124,979,802,052.49
  5. Step 5: Solve for x
    x = 1,124,979,802,052.49/1,172,548
  6. Step 6: Final answer
    x = 959,431.77

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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.