Home / 778,603.20-1,167,904.80-773,354.40

Finding the Fourth Proportional to 778,603.20, 1,167,904.80 and 773,354.40

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Solution

The fourth proportional to 778,603.20, 1,167,904.80 and 773,354.40 is: 1,160,031.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,603.20 : 1,167,904.80 = 773,354.40 : x
  2. Step 2: Convert to fraction form
    778,603.20/1,167,904.80 = 773,354.40/x
  3. Step 3: Cross multiply
    778,603.20x = 1,167,904.80 × 773,354.40
  4. Step 4: Simplify right side
    778,603.20x = 903,204,315,861.12
  5. Step 5: Solve for x
    x = 903,204,315,861.12/778,603.20
  6. Step 6: Final answer
    x = 1,160,031.60

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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.