Home / 1,039,792.40-1,559,688.60-998,458.10

Finding the Fourth Proportional to 1,039,792.40, 1,559,688.60 and 998,458.10

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Solution

The fourth proportional to 1,039,792.40, 1,559,688.60 and 998,458.10 is: 1,497,687.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,792.40 : 1,559,688.60 = 998,458.10 : x
  2. Step 2: Convert to fraction form
    1,039,792.40/1,559,688.60 = 998,458.10/x
  3. Step 3: Cross multiply
    1,039,792.40x = 1,559,688.60 × 998,458.10
  4. Step 4: Simplify right side
    1,039,792.40x = 1,557,283,716,147.66
  5. Step 5: Solve for x
    x = 1,557,283,716,147.66/1,039,792.40
  6. Step 6: Final answer
    x = 1,497,687.15

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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.