Home / 1,036,689.48-1,554,929.14-278,432.43

Finding the Fourth Proportional to 1,036,689.48, 1,554,929.14 and 278,432.43

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Solution

The fourth proportional to 1,036,689.48, 1,554,929.14 and 278,432.43 is: 417,620.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,689.48 : 1,554,929.14 = 278,432.43 : x
  2. Step 2: Convert to fraction form
    1,036,689.48/1,554,929.14 = 278,432.43/x
  3. Step 3: Cross multiply
    1,036,689.48x = 1,554,929.14 × 278,432.43
  4. Step 4: Simplify right side
    1,036,689.48x = 432,942,698,928.01
  5. Step 5: Solve for x
    x = 432,942,698,928.01/1,036,689.48
  6. Step 6: Final answer
    x = 417,620.42

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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.