Home / 1,126,446.45-1,689,669.63-748,106.16

Finding the Fourth Proportional to 1,126,446.45, 1,689,669.63 and 748,106.16

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Solution

The fourth proportional to 1,126,446.45, 1,689,669.63 and 748,106.16 is: 1,122,159.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,446.45 : 1,689,669.63 = 748,106.16 : x
  2. Step 2: Convert to fraction form
    1,126,446.45/1,689,669.63 = 748,106.16/x
  3. Step 3: Cross multiply
    1,126,446.45x = 1,689,669.63 × 748,106.16
  4. Step 4: Simplify right side
    1,126,446.45x = 1,264,052,258,567.92
  5. Step 5: Solve for x
    x = 1,264,052,258,567.92/1,126,446.45
  6. Step 6: Final answer
    x = 1,122,159.21

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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.