Home / 1,492,289.77-2,057,896.89-947,479.72

Finding the Fourth Proportional to 1,492,289.77, 2,057,896.89 and 947,479.72

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Solution

The fourth proportional to 1,492,289.77, 2,057,896.89 and 947,479.72 is: 1,306,593.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,289.77 : 2,057,896.89 = 947,479.72 : x
  2. Step 2: Convert to fraction form
    1,492,289.77/2,057,896.89 = 947,479.72/x
  3. Step 3: Cross multiply
    1,492,289.77x = 2,057,896.89 × 947,479.72
  4. Step 4: Simplify right side
    1,492,289.77x = 1,949,815,569,126.07
  5. Step 5: Solve for x
    x = 1,949,815,569,126.07/1,492,289.77
  6. Step 6: Final answer
    x = 1,306,593.14

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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.