Home / 1,460,441.28-2,185,333.08-861,689.28

Finding the Fourth Proportional to 1,460,441.28, 2,185,333.08 and 861,689.28

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Solution

The fourth proportional to 1,460,441.28, 2,185,333.08 and 861,689.28 is: 1,289,389.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,460,441.28 : 2,185,333.08 = 861,689.28 : x
  2. Step 2: Convert to fraction form
    1,460,441.28/2,185,333.08 = 861,689.28/x
  3. Step 3: Cross multiply
    1,460,441.28x = 2,185,333.08 × 861,689.28
  4. Step 4: Simplify right side
    1,460,441.28x = 1,883,078,088,265.38
  5. Step 5: Solve for x
    x = 1,883,078,088,265.38/1,460,441.28
  6. Step 6: Final answer
    x = 1,289,389.80

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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.