Home / 1,845,066.70-2,766,615.90-778,904.20

Finding the Fourth Proportional to 1,845,066.70, 2,766,615.90 and 778,904.20

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Solution

The fourth proportional to 1,845,066.70, 2,766,615.90 and 778,904.20 is: 1,167,940.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845,066.70 : 2,766,615.90 = 778,904.20 : x
  2. Step 2: Convert to fraction form
    1,845,066.70/2,766,615.90 = 778,904.20/x
  3. Step 3: Cross multiply
    1,845,066.70x = 2,766,615.90 × 778,904.20
  4. Step 4: Simplify right side
    1,845,066.70x = 2,154,928,744,296.78
  5. Step 5: Solve for x
    x = 2,154,928,744,296.78/1,845,066.70
  6. Step 6: Final answer
    x = 1,167,940.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.