Home / 1,718,886.40-2,578,329.60-998,488.60

Finding the Fourth Proportional to 1,718,886.40, 2,578,329.60 and 998,488.60

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Solution

The fourth proportional to 1,718,886.40, 2,578,329.60 and 998,488.60 is: 1,497,732.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,718,886.40 : 2,578,329.60 = 998,488.60 : x
  2. Step 2: Convert to fraction form
    1,718,886.40/2,578,329.60 = 998,488.60/x
  3. Step 3: Cross multiply
    1,718,886.40x = 2,578,329.60 × 998,488.60
  4. Step 4: Simplify right side
    1,718,886.40x = 2,574,432,712,642.56
  5. Step 5: Solve for x
    x = 2,574,432,712,642.56/1,718,886.40
  6. Step 6: Final answer
    x = 1,497,732.90

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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.