Home / 1,047,141.50-1,569,258.99-477,129.56

Finding the Fourth Proportional to 1,047,141.50, 1,569,258.99 and 477,129.56

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Solution

The fourth proportional to 1,047,141.50, 1,569,258.99 and 477,129.56 is: 715,032.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,141.50 : 1,569,258.99 = 477,129.56 : x
  2. Step 2: Convert to fraction form
    1,047,141.50/1,569,258.99 = 477,129.56/x
  3. Step 3: Cross multiply
    1,047,141.50x = 1,569,258.99 × 477,129.56
  4. Step 4: Simplify right side
    1,047,141.50x = 748,739,843,578.45
  5. Step 5: Solve for x
    x = 748,739,843,578.45/1,047,141.50
  6. Step 6: Final answer
    x = 715,032.16

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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.