Home / 1,418,928.40-2,129,429.40-999,024.40

Finding the Fourth Proportional to 1,418,928.40, 2,129,429.40 and 999,024.40

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Solution

The fourth proportional to 1,418,928.40, 2,129,429.40 and 999,024.40 is: 1,499,266.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,928.40 : 2,129,429.40 = 999,024.40 : x
  2. Step 2: Convert to fraction form
    1,418,928.40/2,129,429.40 = 999,024.40/x
  3. Step 3: Cross multiply
    1,418,928.40x = 2,129,429.40 × 999,024.40
  4. Step 4: Simplify right side
    1,418,928.40x = 2,127,351,928,677.36
  5. Step 5: Solve for x
    x = 2,127,351,928,677.36/1,418,928.40
  6. Step 6: Final answer
    x = 1,499,266.58

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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.