Home / 1,015,374.65-1,401,235.02-556,458.66

Finding the Fourth Proportional to 1,015,374.65, 1,401,235.02 and 556,458.66

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Solution

The fourth proportional to 1,015,374.65, 1,401,235.02 and 556,458.66 is: 767,922.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,374.65 : 1,401,235.02 = 556,458.66 : x
  2. Step 2: Convert to fraction form
    1,015,374.65/1,401,235.02 = 556,458.66/x
  3. Step 3: Cross multiply
    1,015,374.65x = 1,401,235.02 × 556,458.66
  4. Step 4: Simplify right side
    1,015,374.65x = 779,729,361,574.27
  5. Step 5: Solve for x
    x = 779,729,361,574.27/1,015,374.65
  6. Step 6: Final answer
    x = 767,922.82

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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.