Home / 1,039,761.20-1,559,641.80-898,043.60

Finding the Fourth Proportional to 1,039,761.20, 1,559,641.80 and 898,043.60

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Solution

The fourth proportional to 1,039,761.20, 1,559,641.80 and 898,043.60 is: 1,347,065.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,761.20 : 1,559,641.80 = 898,043.60 : x
  2. Step 2: Convert to fraction form
    1,039,761.20/1,559,641.80 = 898,043.60/x
  3. Step 3: Cross multiply
    1,039,761.20x = 1,559,641.80 × 898,043.60
  4. Step 4: Simplify right side
    1,039,761.20x = 1,400,626,336,782.48
  5. Step 5: Solve for x
    x = 1,400,626,336,782.48/1,039,761.20
  6. Step 6: Final answer
    x = 1,347,065.40

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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.