Home / 1,321,159.52-1,823,209.46-717,547.52

Finding the Fourth Proportional to 1,321,159.52, 1,823,209.46 and 717,547.52

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Solution

The fourth proportional to 1,321,159.52, 1,823,209.46 and 717,547.52 is: 990,220.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,159.52 : 1,823,209.46 = 717,547.52 : x
  2. Step 2: Convert to fraction form
    1,321,159.52/1,823,209.46 = 717,547.52/x
  3. Step 3: Cross multiply
    1,321,159.52x = 1,823,209.46 × 717,547.52
  4. Step 4: Simplify right side
    1,321,159.52x = 1,308,239,426,463.54
  5. Step 5: Solve for x
    x = 1,308,239,426,463.54/1,321,159.52
  6. Step 6: Final answer
    x = 990,220.64

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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.