Home / 1,145,931.21-1,581,292.49-662,527.51

Finding the Fourth Proportional to 1,145,931.21, 1,581,292.49 and 662,527.51

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Solution

The fourth proportional to 1,145,931.21, 1,581,292.49 and 662,527.51 is: 914,234.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,931.21 : 1,581,292.49 = 662,527.51 : x
  2. Step 2: Convert to fraction form
    1,145,931.21/1,581,292.49 = 662,527.51/x
  3. Step 3: Cross multiply
    1,145,931.21x = 1,581,292.49 × 662,527.51
  4. Step 4: Simplify right side
    1,145,931.21x = 1,047,649,775,981.40
  5. Step 5: Solve for x
    x = 1,047,649,775,981.40/1,145,931.21
  6. Step 6: Final answer
    x = 914,234.44

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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.