Home / 1,100,528.90-1,650,793.35-970,621.10

Finding the Fourth Proportional to 1,100,528.90, 1,650,793.35 and 970,621.10

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Solution

The fourth proportional to 1,100,528.90, 1,650,793.35 and 970,621.10 is: 1,455,931.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,528.90 : 1,650,793.35 = 970,621.10 : x
  2. Step 2: Convert to fraction form
    1,100,528.90/1,650,793.35 = 970,621.10/x
  3. Step 3: Cross multiply
    1,100,528.90x = 1,650,793.35 × 970,621.10
  4. Step 4: Simplify right side
    1,100,528.90x = 1,602,294,857,249.69
  5. Step 5: Solve for x
    x = 1,602,294,857,249.69/1,100,528.90
  6. Step 6: Final answer
    x = 1,455,931.65

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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.