Home / 760,104.80-1,140,157.20-698,103.35

Finding the Fourth Proportional to 760,104.80, 1,140,157.20 and 698,103.35

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Solution

The fourth proportional to 760,104.80, 1,140,157.20 and 698,103.35 is: 1,047,155.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,104.80 : 1,140,157.20 = 698,103.35 : x
  2. Step 2: Convert to fraction form
    760,104.80/1,140,157.20 = 698,103.35/x
  3. Step 3: Cross multiply
    760,104.80x = 1,140,157.20 × 698,103.35
  4. Step 4: Simplify right side
    760,104.80x = 795,947,560,846.62
  5. Step 5: Solve for x
    x = 795,947,560,846.62/760,104.80
  6. Step 6: Final answer
    x = 1,047,155.03

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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.