Home / 760,913.09-1,142,138.78-674,922.88

Finding the Fourth Proportional to 760,913.09, 1,142,138.78 and 674,922.88

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Solution

The fourth proportional to 760,913.09, 1,142,138.78 and 674,922.88 is: 1,013,066.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,913.09 : 1,142,138.78 = 674,922.88 : x
  2. Step 2: Convert to fraction form
    760,913.09/1,142,138.78 = 674,922.88/x
  3. Step 3: Cross multiply
    760,913.09x = 1,142,138.78 × 674,922.88
  4. Step 4: Simplify right side
    760,913.09x = 770,855,595,341.31
  5. Step 5: Solve for x
    x = 770,855,595,341.31/760,913.09
  6. Step 6: Final answer
    x = 1,013,066.55

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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.