Home / 1,417,142.72-1,955,598.08-772,548.80

Finding the Fourth Proportional to 1,417,142.72, 1,955,598.08 and 772,548.80

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Solution

The fourth proportional to 1,417,142.72, 1,955,598.08 and 772,548.80 is: 1,066,085.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417,142.72 : 1,955,598.08 = 772,548.80 : x
  2. Step 2: Convert to fraction form
    1,417,142.72/1,955,598.08 = 772,548.80/x
  3. Step 3: Cross multiply
    1,417,142.72x = 1,955,598.08 × 772,548.80
  4. Step 4: Simplify right side
    1,417,142.72x = 1,510,794,949,986.30
  5. Step 5: Solve for x
    x = 1,510,794,949,986.30/1,417,142.72
  6. Step 6: Final answer
    x = 1,066,085.25

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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.