Home / 1,427,928.16-2,142,092.58-417,124.30

Finding the Fourth Proportional to 1,427,928.16, 2,142,092.58 and 417,124.30

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Solution

The fourth proportional to 1,427,928.16, 2,142,092.58 and 417,124.30 is: 625,744.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,928.16 : 2,142,092.58 = 417,124.30 : x
  2. Step 2: Convert to fraction form
    1,427,928.16/2,142,092.58 = 417,124.30/x
  3. Step 3: Cross multiply
    1,427,928.16x = 2,142,092.58 × 417,124.30
  4. Step 4: Simplify right side
    1,427,928.16x = 893,518,867,967.69
  5. Step 5: Solve for x
    x = 893,518,867,967.69/1,427,928.16
  6. Step 6: Final answer
    x = 625,744.97

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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.