Home / 1,545,363.60-2,318,009.15-408,205.17

Finding the Fourth Proportional to 1,545,363.60, 2,318,009.15 and 408,205.17

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Solution

The fourth proportional to 1,545,363.60, 2,318,009.15 and 408,205.17 is: 612,298.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,363.60 : 2,318,009.15 = 408,205.17 : x
  2. Step 2: Convert to fraction form
    1,545,363.60/2,318,009.15 = 408,205.17/x
  3. Step 3: Cross multiply
    1,545,363.60x = 2,318,009.15 × 408,205.17
  4. Step 4: Simplify right side
    1,545,363.60x = 946,223,311,465.28
  5. Step 5: Solve for x
    x = 946,223,311,465.28/1,545,363.60
  6. Step 6: Final answer
    x = 612,298.17

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Double scale
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1.5x scale

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.