Home / 1,005,350.40-1,508,025.60-961,804.80

Finding the Fourth Proportional to 1,005,350.40, 1,508,025.60 and 961,804.80

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Solution

The fourth proportional to 1,005,350.40, 1,508,025.60 and 961,804.80 is: 1,442,707.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,350.40 : 1,508,025.60 = 961,804.80 : x
  2. Step 2: Convert to fraction form
    1,005,350.40/1,508,025.60 = 961,804.80/x
  3. Step 3: Cross multiply
    1,005,350.40x = 1,508,025.60 × 961,804.80
  4. Step 4: Simplify right side
    1,005,350.40x = 1,450,426,260,602.88
  5. Step 5: Solve for x
    x = 1,450,426,260,602.88/1,005,350.40
  6. Step 6: Final answer
    x = 1,442,707.20

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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.