Home / 970,945.34-1,340,478.64-863,217.24

Finding the Fourth Proportional to 970,945.34, 1,340,478.64 and 863,217.24

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Solution

The fourth proportional to 970,945.34, 1,340,478.64 and 863,217.24 is: 1,191,750.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,945.34 : 1,340,478.64 = 863,217.24 : x
  2. Step 2: Convert to fraction form
    970,945.34/1,340,478.64 = 863,217.24/x
  3. Step 3: Cross multiply
    970,945.34x = 1,340,478.64 × 863,217.24
  4. Step 4: Simplify right side
    970,945.34x = 1,157,124,271,899.75
  5. Step 5: Solve for x
    x = 1,157,124,271,899.75/970,945.34
  6. Step 6: Final answer
    x = 1,191,750.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.