Home / 1,038,531.20-1,557,796.80-898,563.20

Finding the Fourth Proportional to 1,038,531.20, 1,557,796.80 and 898,563.20

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Solution

The fourth proportional to 1,038,531.20, 1,557,796.80 and 898,563.20 is: 1,347,844.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,531.20 : 1,557,796.80 = 898,563.20 : x
  2. Step 2: Convert to fraction form
    1,038,531.20/1,557,796.80 = 898,563.20/x
  3. Step 3: Cross multiply
    1,038,531.20x = 1,557,796.80 × 898,563.20
  4. Step 4: Simplify right side
    1,038,531.20x = 1,399,778,877,557.76
  5. Step 5: Solve for x
    x = 1,399,778,877,557.76/1,038,531.20
  6. Step 6: Final answer
    x = 1,347,844.80

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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.