Home / 1,087,550.40-1,631,325.60-977,325.60

Finding the Fourth Proportional to 1,087,550.40, 1,631,325.60 and 977,325.60

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Solution

The fourth proportional to 1,087,550.40, 1,631,325.60 and 977,325.60 is: 1,465,988.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,550.40 : 1,631,325.60 = 977,325.60 : x
  2. Step 2: Convert to fraction form
    1,087,550.40/1,631,325.60 = 977,325.60/x
  3. Step 3: Cross multiply
    1,087,550.40x = 1,631,325.60 × 977,325.60
  4. Step 4: Simplify right side
    1,087,550.40x = 1,594,336,270,815.36
  5. Step 5: Solve for x
    x = 1,594,336,270,815.36/1,087,550.40
  6. Step 6: Final answer
    x = 1,465,988.40

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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.