Home / 1,066,909.23-1,472,870.12-824,644.31

Finding the Fourth Proportional to 1,066,909.23, 1,472,870.12 and 824,644.31

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Solution

The fourth proportional to 1,066,909.23, 1,472,870.12 and 824,644.31 is: 1,138,422.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,909.23 : 1,472,870.12 = 824,644.31 : x
  2. Step 2: Convert to fraction form
    1,066,909.23/1,472,870.12 = 824,644.31/x
  3. Step 3: Cross multiply
    1,066,909.23x = 1,472,870.12 × 824,644.31
  4. Step 4: Simplify right side
    1,066,909.23x = 1,214,593,952,339.45
  5. Step 5: Solve for x
    x = 1,214,593,952,339.45/1,066,909.23
  6. Step 6: Final answer
    x = 1,138,422.95

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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.