Home / 1,417,280.34-1,955,845.49-772,700.36

Finding the Fourth Proportional to 1,417,280.34, 1,955,845.49 and 772,700.36

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Solution

The fourth proportional to 1,417,280.34, 1,955,845.49 and 772,700.36 is: 1,066,325.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417,280.34 : 1,955,845.49 = 772,700.36 : x
  2. Step 2: Convert to fraction form
    1,417,280.34/1,955,845.49 = 772,700.36/x
  3. Step 3: Cross multiply
    1,417,280.34x = 1,955,845.49 × 772,700.36
  4. Step 4: Simplify right side
    1,417,280.34x = 1,511,282,515,932.72
  5. Step 5: Solve for x
    x = 1,511,282,515,932.72/1,417,280.34
  6. Step 6: Final answer
    x = 1,066,325.75

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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.