Home / 1,140,876.96-1,574,576.28-657,348.72

Finding the Fourth Proportional to 1,140,876.96, 1,574,576.28 and 657,348.72

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Solution

The fourth proportional to 1,140,876.96, 1,574,576.28 and 657,348.72 is: 907,236.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,876.96 : 1,574,576.28 = 657,348.72 : x
  2. Step 2: Convert to fraction form
    1,140,876.96/1,574,576.28 = 657,348.72/x
  3. Step 3: Cross multiply
    1,140,876.96x = 1,574,576.28 × 657,348.72
  4. Step 4: Simplify right side
    1,140,876.96x = 1,035,045,702,200.36
  5. Step 5: Solve for x
    x = 1,035,045,702,200.36/1,140,876.96
  6. Step 6: Final answer
    x = 907,236.92

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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.