Home / 1,154,663.70-1,731,995.55-656,999.70

Finding the Fourth Proportional to 1,154,663.70, 1,731,995.55 and 656,999.70

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Solution

The fourth proportional to 1,154,663.70, 1,731,995.55 and 656,999.70 is: 985,499.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,663.70 : 1,731,995.55 = 656,999.70 : x
  2. Step 2: Convert to fraction form
    1,154,663.70/1,731,995.55 = 656,999.70/x
  3. Step 3: Cross multiply
    1,154,663.70x = 1,731,995.55 × 656,999.70
  4. Step 4: Simplify right side
    1,154,663.70x = 1,137,920,556,751.34
  5. Step 5: Solve for x
    x = 1,137,920,556,751.34/1,154,663.70
  6. Step 6: Final answer
    x = 985,499.55

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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.