Home / 1,126,996.63-1,689,959.80-653,827.03

Finding the Fourth Proportional to 1,126,996.63, 1,689,959.80 and 653,827.03

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Solution

The fourth proportional to 1,126,996.63, 1,689,959.80 and 653,827.03 is: 980,430.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,996.63 : 1,689,959.80 = 653,827.03 : x
  2. Step 2: Convert to fraction form
    1,126,996.63/1,689,959.80 = 653,827.03/x
  3. Step 3: Cross multiply
    1,126,996.63x = 1,689,959.80 × 653,827.03
  4. Step 4: Simplify right side
    1,126,996.63x = 1,104,941,396,853.39
  5. Step 5: Solve for x
    x = 1,104,941,396,853.39/1,126,996.63
  6. Step 6: Final answer
    x = 980,430.08

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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.