Home / 1,427,778.81-2,140,302.96-528,979.32

Finding the Fourth Proportional to 1,427,778.81, 2,140,302.96 and 528,979.32

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Solution

The fourth proportional to 1,427,778.81, 2,140,302.96 and 528,979.32 is: 792,963.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,778.81 : 2,140,302.96 = 528,979.32 : x
  2. Step 2: Convert to fraction form
    1,427,778.81/2,140,302.96 = 528,979.32/x
  3. Step 3: Cross multiply
    1,427,778.81x = 2,140,302.96 × 528,979.32
  4. Step 4: Simplify right side
    1,427,778.81x = 1,132,176,004,374.79
  5. Step 5: Solve for x
    x = 1,132,176,004,374.79/1,427,778.81
  6. Step 6: Final answer
    x = 792,963.17

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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.