Home / 1,036,689.08-1,554,928.47-278,432

Finding the Fourth Proportional to 1,036,689.08, 1,554,928.47 and 278,432

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Solution

The fourth proportional to 1,036,689.08, 1,554,928.47 and 278,432 is: 417,619.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,689.08 : 1,554,928.47 = 278,432 : x
  2. Step 2: Convert to fraction form
    1,036,689.08/1,554,928.47 = 278,432/x
  3. Step 3: Cross multiply
    1,036,689.08x = 1,554,928.47 × 278,432
  4. Step 4: Simplify right side
    1,036,689.08x = 432,941,843,759.04
  5. Step 5: Solve for x
    x = 432,941,843,759.04/1,036,689.08
  6. Step 6: Final answer
    x = 417,619.76

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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.