Home / 1,418,281.88-2,116,360.90-1,265,428.16

Finding the Fourth Proportional to 1,418,281.88, 2,116,360.90 and 1,265,428.16

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Solution

The fourth proportional to 1,418,281.88, 2,116,360.90 and 1,265,428.16 is: 1,888,272.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,281.88 : 2,116,360.90 = 1,265,428.16 : x
  2. Step 2: Convert to fraction form
    1,418,281.88/2,116,360.90 = 1,265,428.16/x
  3. Step 3: Cross multiply
    1,418,281.88x = 2,116,360.90 × 1,265,428.16
  4. Step 4: Simplify right side
    1,418,281.88x = 2,678,102,679,582.94
  5. Step 5: Solve for x
    x = 2,678,102,679,582.94/1,418,281.88
  6. Step 6: Final answer
    x = 1,888,272.51

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.