Home / 1,155,192.65-1,594,160.70-645,895.03

Finding the Fourth Proportional to 1,155,192.65, 1,594,160.70 and 645,895.03

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Solution

The fourth proportional to 1,155,192.65, 1,594,160.70 and 645,895.03 is: 891,332.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,192.65 : 1,594,160.70 = 645,895.03 : x
  2. Step 2: Convert to fraction form
    1,155,192.65/1,594,160.70 = 645,895.03/x
  3. Step 3: Cross multiply
    1,155,192.65x = 1,594,160.70 × 645,895.03
  4. Step 4: Simplify right side
    1,155,192.65x = 1,029,660,469,732.86
  5. Step 5: Solve for x
    x = 1,029,660,469,732.86/1,155,192.65
  6. Step 6: Final answer
    x = 891,332.25

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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.