Home / 1,315,060.08-1,814,767.60-771,083.52

Finding the Fourth Proportional to 1,315,060.08, 1,814,767.60 and 771,083.52

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Solution

The fourth proportional to 1,315,060.08, 1,814,767.60 and 771,083.52 is: 1,064,086.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,060.08 : 1,814,767.60 = 771,083.52 : x
  2. Step 2: Convert to fraction form
    1,315,060.08/1,814,767.60 = 771,083.52/x
  3. Step 3: Cross multiply
    1,315,060.08x = 1,814,767.60 × 771,083.52
  4. Step 4: Simplify right side
    1,315,060.08x = 1,399,337,388,989.95
  5. Step 5: Solve for x
    x = 1,399,337,388,989.95/1,315,060.08
  6. Step 6: Final answer
    x = 1,064,086.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.