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Finding the Fourth Proportional to 1,068,091, 1,473,967.02 and 665,683

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Solution

The fourth proportional to 1,068,091, 1,473,967.02 and 665,683 is: 918,643.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068,091 : 1,473,967.02 = 665,683 : x
  2. Step 2: Convert to fraction form
    1,068,091/1,473,967.02 = 665,683/x
  3. Step 3: Cross multiply
    1,068,091x = 1,473,967.02 × 665,683
  4. Step 4: Simplify right side
    1,068,091x = 981,194,787,774.66
  5. Step 5: Solve for x
    x = 981,194,787,774.66/1,068,091
  6. Step 6: Final answer
    x = 918,643.44

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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.