Home / 1,152,011.62-1,589,777.04-642,714.13

Finding the Fourth Proportional to 1,152,011.62, 1,589,777.04 and 642,714.13

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Solution

The fourth proportional to 1,152,011.62, 1,589,777.04 and 642,714.13 is: 886,946.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,011.62 : 1,589,777.04 = 642,714.13 : x
  2. Step 2: Convert to fraction form
    1,152,011.62/1,589,777.04 = 642,714.13/x
  3. Step 3: Cross multiply
    1,152,011.62x = 1,589,777.04 × 642,714.13
  4. Step 4: Simplify right side
    1,152,011.62x = 1,021,772,167,157.58
  5. Step 5: Solve for x
    x = 1,021,772,167,157.58/1,152,011.62
  6. Step 6: Final answer
    x = 886,946.06

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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.