Home / 1,361,567.60-2,042,788.80-912,795.20

Finding the Fourth Proportional to 1,361,567.60, 2,042,788.80 and 912,795.20

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Solution

The fourth proportional to 1,361,567.60, 2,042,788.80 and 912,795.20 is: 1,369,486.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,567.60 : 2,042,788.80 = 912,795.20 : x
  2. Step 2: Convert to fraction form
    1,361,567.60/2,042,788.80 = 912,795.20/x
  3. Step 3: Cross multiply
    1,361,567.60x = 2,042,788.80 × 912,795.20
  4. Step 4: Simplify right side
    1,361,567.60x = 1,864,647,811,253.76
  5. Step 5: Solve for x
    x = 1,864,647,811,253.76/1,361,567.60
  6. Step 6: Final answer
    x = 1,369,486.03

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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.