Home / 840,400.10-1,258,267.35-817,072.10

Finding the Fourth Proportional to 840,400.10, 1,258,267.35 and 817,072.10

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Solution

The fourth proportional to 840,400.10, 1,258,267.35 and 817,072.10 is: 1,223,340.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,400.10 : 1,258,267.35 = 817,072.10 : x
  2. Step 2: Convert to fraction form
    840,400.10/1,258,267.35 = 817,072.10/x
  3. Step 3: Cross multiply
    840,400.10x = 1,258,267.35 × 817,072.10
  4. Step 4: Simplify right side
    840,400.10x = 1,028,095,146,025.94
  5. Step 5: Solve for x
    x = 1,028,095,146,025.94/840,400.10
  6. Step 6: Final answer
    x = 1,223,340.10

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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.