Home / 1,146,001.22-1,581,530.88-636,703.60

Finding the Fourth Proportional to 1,146,001.22, 1,581,530.88 and 636,703.60

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Solution

The fourth proportional to 1,146,001.22, 1,581,530.88 and 636,703.60 is: 878,678.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,001.22 : 1,581,530.88 = 636,703.60 : x
  2. Step 2: Convert to fraction form
    1,146,001.22/1,581,530.88 = 636,703.60/x
  3. Step 3: Cross multiply
    1,146,001.22x = 1,581,530.88 × 636,703.60
  4. Step 4: Simplify right side
    1,146,001.22x = 1,006,966,404,807.17
  5. Step 5: Solve for x
    x = 1,006,966,404,807.17/1,146,001.22
  6. Step 6: Final answer
    x = 878,678.30

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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.