Home / 1,778,064.40-2,667,442.20-515,933.20

Finding the Fourth Proportional to 1,778,064.40, 2,667,442.20 and 515,933.20

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Solution

The fourth proportional to 1,778,064.40, 2,667,442.20 and 515,933.20 is: 774,000.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,064.40 : 2,667,442.20 = 515,933.20 : x
  2. Step 2: Convert to fraction form
    1,778,064.40/2,667,442.20 = 515,933.20/x
  3. Step 3: Cross multiply
    1,778,064.40x = 2,667,442.20 × 515,933.20
  4. Step 4: Simplify right side
    1,778,064.40x = 1,376,221,990,061.04
  5. Step 5: Solve for x
    x = 1,376,221,990,061.04/1,778,064.40
  6. Step 6: Final answer
    x = 774,000.08

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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.