Home / 1,186,607.52-1,637,519.76-642,744.48

Finding the Fourth Proportional to 1,186,607.52, 1,637,519.76 and 642,744.48

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Solution

The fourth proportional to 1,186,607.52, 1,637,519.76 and 642,744.48 is: 886,988.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,607.52 : 1,637,519.76 = 642,744.48 : x
  2. Step 2: Convert to fraction form
    1,186,607.52/1,637,519.76 = 642,744.48/x
  3. Step 3: Cross multiply
    1,186,607.52x = 1,637,519.76 × 642,744.48
  4. Step 4: Simplify right side
    1,186,607.52x = 1,052,506,786,630.92
  5. Step 5: Solve for x
    x = 1,052,506,786,630.92/1,186,607.52
  6. Step 6: Final answer
    x = 886,988.13

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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.