Home / 1,240,475.34-1,712,041.11-757,320.56

Finding the Fourth Proportional to 1,240,475.34, 1,712,041.11 and 757,320.56

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Solution

The fourth proportional to 1,240,475.34, 1,712,041.11 and 757,320.56 is: 1,045,215.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,475.34 : 1,712,041.11 = 757,320.56 : x
  2. Step 2: Convert to fraction form
    1,240,475.34/1,712,041.11 = 757,320.56/x
  3. Step 3: Cross multiply
    1,240,475.34x = 1,712,041.11 × 757,320.56
  4. Step 4: Simplify right side
    1,240,475.34x = 1,296,563,923,608.02
  5. Step 5: Solve for x
    x = 1,296,563,923,608.02/1,240,475.34
  6. Step 6: Final answer
    x = 1,045,215.40

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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.