Home / 1,158,396.48-1,598,630.40-649,080

Finding the Fourth Proportional to 1,158,396.48, 1,598,630.40 and 649,080

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Solution

The fourth proportional to 1,158,396.48, 1,598,630.40 and 649,080 is: 895,754.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,396.48 : 1,598,630.40 = 649,080 : x
  2. Step 2: Convert to fraction form
    1,158,396.48/1,598,630.40 = 649,080/x
  3. Step 3: Cross multiply
    1,158,396.48x = 1,598,630.40 × 649,080
  4. Step 4: Simplify right side
    1,158,396.48x = 1,037,639,020,032
  5. Step 5: Solve for x
    x = 1,037,639,020,032/1,158,396.48
  6. Step 6: Final answer
    x = 895,754.64

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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.