Home / 1,070,834.40-1,605,452.76-644,270.32

Finding the Fourth Proportional to 1,070,834.40, 1,605,452.76 and 644,270.32

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Solution

The fourth proportional to 1,070,834.40, 1,605,452.76 and 644,270.32 is: 965,924.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,834.40 : 1,605,452.76 = 644,270.32 : x
  2. Step 2: Convert to fraction form
    1,070,834.40/1,605,452.76 = 644,270.32/x
  3. Step 3: Cross multiply
    1,070,834.40x = 1,605,452.76 × 644,270.32
  4. Step 4: Simplify right side
    1,070,834.40x = 1,034,345,563,430.08
  5. Step 5: Solve for x
    x = 1,034,345,563,430.08/1,070,834.40
  6. Step 6: Final answer
    x = 965,924.86

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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.