Home / 1,402,245.20-2,103,367.80-898,360.40

Finding the Fourth Proportional to 1,402,245.20, 2,103,367.80 and 898,360.40

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Solution

The fourth proportional to 1,402,245.20, 2,103,367.80 and 898,360.40 is: 1,347,540.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,245.20 : 2,103,367.80 = 898,360.40 : x
  2. Step 2: Convert to fraction form
    1,402,245.20/2,103,367.80 = 898,360.40/x
  3. Step 3: Cross multiply
    1,402,245.20x = 2,103,367.80 × 898,360.40
  4. Step 4: Simplify right side
    1,402,245.20x = 1,889,582,338,155.12
  5. Step 5: Solve for x
    x = 1,889,582,338,155.12/1,402,245.20
  6. Step 6: Final answer
    x = 1,347,540.60

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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.