Home / 1,142,940.52-1,714,060.80-790,221.16

Finding the Fourth Proportional to 1,142,940.52, 1,714,060.80 and 790,221.16

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Solution

The fourth proportional to 1,142,940.52, 1,714,060.80 and 790,221.16 is: 1,185,089.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,940.52 : 1,714,060.80 = 790,221.16 : x
  2. Step 2: Convert to fraction form
    1,142,940.52/1,714,060.80 = 790,221.16/x
  3. Step 3: Cross multiply
    1,142,940.52x = 1,714,060.80 × 790,221.16
  4. Step 4: Simplify right side
    1,142,940.52x = 1,354,487,113,686.53
  5. Step 5: Solve for x
    x = 1,354,487,113,686.53/1,142,940.52
  6. Step 6: Final answer
    x = 1,185,089.77

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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.