Home / 1,010,642.80-1,515,964.20-411,295.45

Finding the Fourth Proportional to 1,010,642.80, 1,515,964.20 and 411,295.45

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Solution

The fourth proportional to 1,010,642.80, 1,515,964.20 and 411,295.45 is: 616,943.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,642.80 : 1,515,964.20 = 411,295.45 : x
  2. Step 2: Convert to fraction form
    1,010,642.80/1,515,964.20 = 411,295.45/x
  3. Step 3: Cross multiply
    1,010,642.80x = 1,515,964.20 × 411,295.45
  4. Step 4: Simplify right side
    1,010,642.80x = 623,509,177,822.89
  5. Step 5: Solve for x
    x = 623,509,177,822.89/1,010,642.80
  6. Step 6: Final answer
    x = 616,943.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.