Home / 1,036,689.04-1,554,928.41-278,431.96

Finding the Fourth Proportional to 1,036,689.04, 1,554,928.41 and 278,431.96

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Solution

The fourth proportional to 1,036,689.04, 1,554,928.41 and 278,431.96 is: 417,619.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,689.04 : 1,554,928.41 = 278,431.96 : x
  2. Step 2: Convert to fraction form
    1,036,689.04/1,554,928.41 = 278,431.96/x
  3. Step 3: Cross multiply
    1,036,689.04x = 1,554,928.41 × 278,431.96
  4. Step 4: Simplify right side
    1,036,689.04x = 432,941,764,855.98
  5. Step 5: Solve for x
    x = 432,941,764,855.98/1,036,689.04
  6. Step 6: Final answer
    x = 417,619.70

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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.