Home / 1,196,302.76-1,649,964.39-766,622.87

Finding the Fourth Proportional to 1,196,302.76, 1,649,964.39 and 766,622.87

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Solution

The fourth proportional to 1,196,302.76, 1,649,964.39 and 766,622.87 is: 1,057,341.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196,302.76 : 1,649,964.39 = 766,622.87 : x
  2. Step 2: Convert to fraction form
    1,196,302.76/1,649,964.39 = 766,622.87/x
  3. Step 3: Cross multiply
    1,196,302.76x = 1,649,964.39 × 766,622.87
  4. Step 4: Simplify right side
    1,196,302.76x = 1,264,900,436,059.60
  5. Step 5: Solve for x
    x = 1,264,900,436,059.60/1,196,302.76
  6. Step 6: Final answer
    x = 1,057,341.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.