Home / 824,630.40-1,237,867.20-770,486.40

Finding the Fourth Proportional to 824,630.40, 1,237,867.20 and 770,486.40

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Solution

The fourth proportional to 824,630.40, 1,237,867.20 and 770,486.40 is: 1,156,590.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,630.40 : 1,237,867.20 = 770,486.40 : x
  2. Step 2: Convert to fraction form
    824,630.40/1,237,867.20 = 770,486.40/x
  3. Step 3: Cross multiply
    824,630.40x = 1,237,867.20 × 770,486.40
  4. Step 4: Simplify right side
    824,630.40x = 953,759,842,606.08
  5. Step 5: Solve for x
    x = 953,759,842,606.08/824,630.40
  6. Step 6: Final answer
    x = 1,156,590.69

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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.