Home / 1,447,558.46-2,171,353.29-436,689.18

Finding the Fourth Proportional to 1,447,558.46, 2,171,353.29 and 436,689.18

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Solution

The fourth proportional to 1,447,558.46, 2,171,353.29 and 436,689.18 is: 655,038.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,558.46 : 2,171,353.29 = 436,689.18 : x
  2. Step 2: Convert to fraction form
    1,447,558.46/2,171,353.29 = 436,689.18/x
  3. Step 3: Cross multiply
    1,447,558.46x = 2,171,353.29 × 436,689.18
  4. Step 4: Simplify right side
    1,447,558.46x = 948,206,487,700.40
  5. Step 5: Solve for x
    x = 948,206,487,700.40/1,447,558.46
  6. Step 6: Final answer
    x = 655,038.47

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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.