Home / 1,867,569.60-2,802,229.28-920,423.64

Finding the Fourth Proportional to 1,867,569.60, 2,802,229.28 and 920,423.64

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Solution

The fourth proportional to 1,867,569.60, 2,802,229.28 and 920,423.64 is: 1,381,066.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,867,569.60 : 2,802,229.28 = 920,423.64 : x
  2. Step 2: Convert to fraction form
    1,867,569.60/2,802,229.28 = 920,423.64/x
  3. Step 3: Cross multiply
    1,867,569.60x = 2,802,229.28 × 920,423.64
  4. Step 4: Simplify right side
    1,867,569.60x = 2,579,238,074,012.18
  5. Step 5: Solve for x
    x = 2,579,238,074,012.18/1,867,569.60
  6. Step 6: Final answer
    x = 1,381,066.64

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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.