Home / 1,360,592.28-1,876,989.09-877,312.65

Finding the Fourth Proportional to 1,360,592.28, 1,876,989.09 and 877,312.65

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Solution

The fourth proportional to 1,360,592.28, 1,876,989.09 and 877,312.65 is: 1,210,286.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360,592.28 : 1,876,989.09 = 877,312.65 : x
  2. Step 2: Convert to fraction form
    1,360,592.28/1,876,989.09 = 877,312.65/x
  3. Step 3: Cross multiply
    1,360,592.28x = 1,876,989.09 × 877,312.65
  4. Step 4: Simplify right side
    1,360,592.28x = 1,646,706,272,568.99
  5. Step 5: Solve for x
    x = 1,646,706,272,568.99/1,360,592.28
  6. Step 6: Final answer
    x = 1,210,286.36

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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.