Home / 1,359,468.60-1,876,209.96-778,738.08

Finding the Fourth Proportional to 1,359,468.60, 1,876,209.96 and 778,738.08

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Solution

The fourth proportional to 1,359,468.60, 1,876,209.96 and 778,738.08 is: 1,074,740.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,468.60 : 1,876,209.96 = 778,738.08 : x
  2. Step 2: Convert to fraction form
    1,359,468.60/1,876,209.96 = 778,738.08/x
  3. Step 3: Cross multiply
    1,359,468.60x = 1,876,209.96 × 778,738.08
  4. Step 4: Simplify right side
    1,359,468.60x = 1,461,076,141,927.28
  5. Step 5: Solve for x
    x = 1,461,076,141,927.28/1,359,468.60
  6. Step 6: Final answer
    x = 1,074,740.63

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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.