Home / 1,154,632.90-1,593,365.88-645,382.66

Finding the Fourth Proportional to 1,154,632.90, 1,593,365.88 and 645,382.66

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Solution

The fourth proportional to 1,154,632.90, 1,593,365.88 and 645,382.66 is: 890,612.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,632.90 : 1,593,365.88 = 645,382.66 : x
  2. Step 2: Convert to fraction form
    1,154,632.90/1,593,365.88 = 645,382.66/x
  3. Step 3: Cross multiply
    1,154,632.90x = 1,593,365.88 × 645,382.66
  4. Step 4: Simplify right side
    1,154,632.90x = 1,028,330,709,987.64
  5. Step 5: Solve for x
    x = 1,028,330,709,987.64/1,154,632.90
  6. Step 6: Final answer
    x = 890,612.69

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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.