Home / 1,210,750.20-1,816,125.30-679,309.20

Finding the Fourth Proportional to 1,210,750.20, 1,816,125.30 and 679,309.20

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Solution

The fourth proportional to 1,210,750.20, 1,816,125.30 and 679,309.20 is: 1,018,963.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,750.20 : 1,816,125.30 = 679,309.20 : x
  2. Step 2: Convert to fraction form
    1,210,750.20/1,816,125.30 = 679,309.20/x
  3. Step 3: Cross multiply
    1,210,750.20x = 1,816,125.30 × 679,309.20
  4. Step 4: Simplify right side
    1,210,750.20x = 1,233,710,624,642.76
  5. Step 5: Solve for x
    x = 1,233,710,624,642.76/1,210,750.20
  6. Step 6: Final answer
    x = 1,018,963.80

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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.