Home / 1,359,847.84-1,876,455.55-778,959.45

Finding the Fourth Proportional to 1,359,847.84, 1,876,455.55 and 778,959.45

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Solution

The fourth proportional to 1,359,847.84, 1,876,455.55 and 778,959.45 is: 1,074,887.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,847.84 : 1,876,455.55 = 778,959.45 : x
  2. Step 2: Convert to fraction form
    1,359,847.84/1,876,455.55 = 778,959.45/x
  3. Step 3: Cross multiply
    1,359,847.84x = 1,876,455.55 × 778,959.45
  4. Step 4: Simplify right side
    1,359,847.84x = 1,461,682,781,230.05
  5. Step 5: Solve for x
    x = 1,461,682,781,230.05/1,359,847.84
  6. Step 6: Final answer
    x = 1,074,887.01

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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.