Home / 1,775,790.30-2,663,685.45-778,518.30

Finding the Fourth Proportional to 1,775,790.30, 2,663,685.45 and 778,518.30

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Solution

The fourth proportional to 1,775,790.30, 2,663,685.45 and 778,518.30 is: 1,167,777.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775,790.30 : 2,663,685.45 = 778,518.30 : x
  2. Step 2: Convert to fraction form
    1,775,790.30/2,663,685.45 = 778,518.30/x
  3. Step 3: Cross multiply
    1,775,790.30x = 2,663,685.45 × 778,518.30
  4. Step 4: Simplify right side
    1,775,790.30x = 2,073,727,868,268.74
  5. Step 5: Solve for x
    x = 2,073,727,868,268.74/1,775,790.30
  6. Step 6: Final answer
    x = 1,167,777.45

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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.