Home / 1,482,410.40-2,223,712.80-417,487.20

Finding the Fourth Proportional to 1,482,410.40, 2,223,712.80 and 417,487.20

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Solution

The fourth proportional to 1,482,410.40, 2,223,712.80 and 417,487.20 is: 626,258.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,482,410.40 : 2,223,712.80 = 417,487.20 : x
  2. Step 2: Convert to fraction form
    1,482,410.40/2,223,712.80 = 417,487.20/x
  3. Step 3: Cross multiply
    1,482,410.40x = 2,223,712.80 × 417,487.20
  4. Step 4: Simplify right side
    1,482,410.40x = 928,371,630,476.16
  5. Step 5: Solve for x
    x = 928,371,630,476.16/1,482,410.40
  6. Step 6: Final answer
    x = 626,258.17

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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.