Home / 1,034,145.30-1,551,217.95-768,424.80

Finding the Fourth Proportional to 1,034,145.30, 1,551,217.95 and 768,424.80

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Solution

The fourth proportional to 1,034,145.30, 1,551,217.95 and 768,424.80 is: 1,152,637.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034,145.30 : 1,551,217.95 = 768,424.80 : x
  2. Step 2: Convert to fraction form
    1,034,145.30/1,551,217.95 = 768,424.80/x
  3. Step 3: Cross multiply
    1,034,145.30x = 1,551,217.95 × 768,424.80
  4. Step 4: Simplify right side
    1,034,145.30x = 1,191,994,342,985.16
  5. Step 5: Solve for x
    x = 1,191,994,342,985.16/1,034,145.30
  6. Step 6: Final answer
    x = 1,152,637.20

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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.