Home / 902,187.46-1,353,280.65-842,400.40

Finding the Fourth Proportional to 902,187.46, 1,353,280.65 and 842,400.40

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Solution

The fourth proportional to 902,187.46, 1,353,280.65 and 842,400.40 is: 1,263,600.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,187.46 : 1,353,280.65 = 842,400.40 : x
  2. Step 2: Convert to fraction form
    902,187.46/1,353,280.65 = 842,400.40/x
  3. Step 3: Cross multiply
    902,187.46x = 1,353,280.65 × 842,400.40
  4. Step 4: Simplify right side
    902,187.46x = 1,140,004,160,872.26
  5. Step 5: Solve for x
    x = 1,140,004,160,872.26/902,187.46
  6. Step 6: Final answer
    x = 1,263,600.10

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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.