Home / 1,209,766.92-1,813,430.52-760,808.64

Finding the Fourth Proportional to 1,209,766.92, 1,813,430.52 and 760,808.64

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Solution

The fourth proportional to 1,209,766.92, 1,813,430.52 and 760,808.64 is: 1,140,445.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,766.92 : 1,813,430.52 = 760,808.64 : x
  2. Step 2: Convert to fraction form
    1,209,766.92/1,813,430.52 = 760,808.64/x
  3. Step 3: Cross multiply
    1,209,766.92x = 1,813,430.52 × 760,808.64
  4. Step 4: Simplify right side
    1,209,766.92x = 1,379,673,607,655.69
  5. Step 5: Solve for x
    x = 1,379,673,607,655.69/1,209,766.92
  6. Step 6: Final answer
    x = 1,140,445.80

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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.