Home / 1,360,852.20-1,877,854.05-787,931.10

Finding the Fourth Proportional to 1,360,852.20, 1,877,854.05 and 787,931.10

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Solution

The fourth proportional to 1,360,852.20, 1,877,854.05 and 787,931.10 is: 1,087,274.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360,852.20 : 1,877,854.05 = 787,931.10 : x
  2. Step 2: Convert to fraction form
    1,360,852.20/1,877,854.05 = 787,931.10/x
  3. Step 3: Cross multiply
    1,360,852.20x = 1,877,854.05 × 787,931.10
  4. Step 4: Simplify right side
    1,360,852.20x = 1,479,619,607,255.96
  5. Step 5: Solve for x
    x = 1,479,619,607,255.96/1,360,852.20
  6. Step 6: Final answer
    x = 1,087,274.29

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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.