Home / 1,109,777.40-1,666,415.70-637,385.40

Finding the Fourth Proportional to 1,109,777.40, 1,666,415.70 and 637,385.40

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Solution

The fourth proportional to 1,109,777.40, 1,666,415.70 and 637,385.40 is: 957,082.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,777.40 : 1,666,415.70 = 637,385.40 : x
  2. Step 2: Convert to fraction form
    1,109,777.40/1,666,415.70 = 637,385.40/x
  3. Step 3: Cross multiply
    1,109,777.40x = 1,666,415.70 × 637,385.40
  4. Step 4: Simplify right side
    1,109,777.40x = 1,062,149,037,510.78
  5. Step 5: Solve for x
    x = 1,062,149,037,510.78/1,109,777.40
  6. Step 6: Final answer
    x = 957,082.96

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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.