Home / 1,717,117.20-2,575,675.80-770,518.80

Finding the Fourth Proportional to 1,717,117.20, 2,575,675.80 and 770,518.80

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Solution

The fourth proportional to 1,717,117.20, 2,575,675.80 and 770,518.80 is: 1,155,778.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,717,117.20 : 2,575,675.80 = 770,518.80 : x
  2. Step 2: Convert to fraction form
    1,717,117.20/2,575,675.80 = 770,518.80/x
  3. Step 3: Cross multiply
    1,717,117.20x = 2,575,675.80 × 770,518.80
  4. Step 4: Simplify right side
    1,717,117.20x = 1,984,606,626,605.04
  5. Step 5: Solve for x
    x = 1,984,606,626,605.04/1,717,117.20
  6. Step 6: Final answer
    x = 1,155,778.20

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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.