Home / 760,130.80-1,140,196.20-698,129.35

Finding the Fourth Proportional to 760,130.80, 1,140,196.20 and 698,129.35

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Solution

The fourth proportional to 760,130.80, 1,140,196.20 and 698,129.35 is: 1,047,194.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,130.80 : 1,140,196.20 = 698,129.35 : x
  2. Step 2: Convert to fraction form
    760,130.80/1,140,196.20 = 698,129.35/x
  3. Step 3: Cross multiply
    760,130.80x = 1,140,196.20 × 698,129.35
  4. Step 4: Simplify right side
    760,130.80x = 796,004,431,978.47
  5. Step 5: Solve for x
    x = 796,004,431,978.47/760,130.80
  6. Step 6: Final answer
    x = 1,047,194.03

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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.