Home / 1,803,354.56-2,488,598.88-998,521.28

Finding the Fourth Proportional to 1,803,354.56, 2,488,598.88 and 998,521.28

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Solution

The fourth proportional to 1,803,354.56, 2,488,598.88 and 998,521.28 is: 1,377,942.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,803,354.56 : 2,488,598.88 = 998,521.28 : x
  2. Step 2: Convert to fraction form
    1,803,354.56/2,488,598.88 = 998,521.28/x
  3. Step 3: Cross multiply
    1,803,354.56x = 2,488,598.88 × 998,521.28
  4. Step 4: Simplify right side
    1,803,354.56x = 2,484,918,939,064.17
  5. Step 5: Solve for x
    x = 2,484,918,939,064.17/1,803,354.56
  6. Step 6: Final answer
    x = 1,377,942.53

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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.