Home / 1,417,278.42-1,955,855.67-772,703.30

Finding the Fourth Proportional to 1,417,278.42, 1,955,855.67 and 772,703.30

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Solution

The fourth proportional to 1,417,278.42, 1,955,855.67 and 772,703.30 is: 1,066,336.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417,278.42 : 1,955,855.67 = 772,703.30 : x
  2. Step 2: Convert to fraction form
    1,417,278.42/1,955,855.67 = 772,703.30/x
  3. Step 3: Cross multiply
    1,417,278.42x = 1,955,855.67 × 772,703.30
  4. Step 4: Simplify right side
    1,417,278.42x = 1,511,296,132,524.71
  5. Step 5: Solve for x
    x = 1,511,296,132,524.71/1,417,278.42
  6. Step 6: Final answer
    x = 1,066,336.80

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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.