Home / 874,140.60-1,311,210.90-771,497.40

Finding the Fourth Proportional to 874,140.60, 1,311,210.90 and 771,497.40

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Solution

The fourth proportional to 874,140.60, 1,311,210.90 and 771,497.40 is: 1,157,246.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,140.60 : 1,311,210.90 = 771,497.40 : x
  2. Step 2: Convert to fraction form
    874,140.60/1,311,210.90 = 771,497.40/x
  3. Step 3: Cross multiply
    874,140.60x = 1,311,210.90 × 771,497.40
  4. Step 4: Simplify right side
    874,140.60x = 1,011,595,800,201.66
  5. Step 5: Solve for x
    x = 1,011,595,800,201.66/874,140.60
  6. Step 6: Final answer
    x = 1,157,246.10

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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.