Home / 1,102,386.60-1,521,200.52-666,966.24

Finding the Fourth Proportional to 1,102,386.60, 1,521,200.52 and 666,966.24

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Solution

The fourth proportional to 1,102,386.60, 1,521,200.52 and 666,966.24 is: 920,357.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,386.60 : 1,521,200.52 = 666,966.24 : x
  2. Step 2: Convert to fraction form
    1,102,386.60/1,521,200.52 = 666,966.24/x
  3. Step 3: Cross multiply
    1,102,386.60x = 1,521,200.52 × 666,966.24
  4. Step 4: Simplify right side
    1,102,386.60x = 1,014,589,391,110.44
  5. Step 5: Solve for x
    x = 1,014,589,391,110.44/1,102,386.60
  6. Step 6: Final answer
    x = 920,357.15

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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.