Home / 1,095,631.80-1,642,329.90-740,681.70

Finding the Fourth Proportional to 1,095,631.80, 1,642,329.90 and 740,681.70

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Solution

The fourth proportional to 1,095,631.80, 1,642,329.90 and 740,681.70 is: 1,110,266.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,631.80 : 1,642,329.90 = 740,681.70 : x
  2. Step 2: Convert to fraction form
    1,095,631.80/1,642,329.90 = 740,681.70/x
  3. Step 3: Cross multiply
    1,095,631.80x = 1,642,329.90 × 740,681.70
  4. Step 4: Simplify right side
    1,095,631.80x = 1,216,443,702,292.83
  5. Step 5: Solve for x
    x = 1,216,443,702,292.83/1,095,631.80
  6. Step 6: Final answer
    x = 1,110,266.88

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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.