Home / 1,360,184.78-1,877,024.67-787,213.46

Finding the Fourth Proportional to 1,360,184.78, 1,877,024.67 and 787,213.46

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Solution

The fourth proportional to 1,360,184.78, 1,877,024.67 and 787,213.46 is: 1,086,337.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360,184.78 : 1,877,024.67 = 787,213.46 : x
  2. Step 2: Convert to fraction form
    1,360,184.78/1,877,024.67 = 787,213.46/x
  3. Step 3: Cross multiply
    1,360,184.78x = 1,877,024.67 × 787,213.46
  4. Step 4: Simplify right side
    1,360,184.78x = 1,477,619,084,976.06
  5. Step 5: Solve for x
    x = 1,477,619,084,976.06/1,360,184.78
  6. Step 6: Final answer
    x = 1,086,337.02

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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.