Home / 1,118,926.35-1,679,853.02-664,347.47

Finding the Fourth Proportional to 1,118,926.35, 1,679,853.02 and 664,347.47

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Solution

The fourth proportional to 1,118,926.35, 1,679,853.02 and 664,347.47 is: 997,390.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,926.35 : 1,679,853.02 = 664,347.47 : x
  2. Step 2: Convert to fraction form
    1,118,926.35/1,679,853.02 = 664,347.47/x
  3. Step 3: Cross multiply
    1,118,926.35x = 1,679,853.02 × 664,347.47
  4. Step 4: Simplify right side
    1,118,926.35x = 1,116,006,092,087.86
  5. Step 5: Solve for x
    x = 1,116,006,092,087.86/1,118,926.35
  6. Step 6: Final answer
    x = 997,390.12

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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.