Home / 1,102,012.60-1,653,018.90-745,094.20

Finding the Fourth Proportional to 1,102,012.60, 1,653,018.90 and 745,094.20

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Solution

The fourth proportional to 1,102,012.60, 1,653,018.90 and 745,094.20 is: 1,117,641.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,012.60 : 1,653,018.90 = 745,094.20 : x
  2. Step 2: Convert to fraction form
    1,102,012.60/1,653,018.90 = 745,094.20/x
  3. Step 3: Cross multiply
    1,102,012.60x = 1,653,018.90 × 745,094.20
  4. Step 4: Simplify right side
    1,102,012.60x = 1,231,654,794,880.38
  5. Step 5: Solve for x
    x = 1,231,654,794,880.38/1,102,012.60
  6. Step 6: Final answer
    x = 1,117,641.30

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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.