Home / 1,036,678.20-1,554,912.18-278,421.17

Finding the Fourth Proportional to 1,036,678.20, 1,554,912.18 and 278,421.17

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Solution

The fourth proportional to 1,036,678.20, 1,554,912.18 and 278,421.17 is: 417,603.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,678.20 : 1,554,912.18 = 278,421.17 : x
  2. Step 2: Convert to fraction form
    1,036,678.20/1,554,912.18 = 278,421.17/x
  3. Step 3: Cross multiply
    1,036,678.20x = 1,554,912.18 × 278,421.17
  4. Step 4: Simplify right side
    1,036,678.20x = 432,920,460,628.29
  5. Step 5: Solve for x
    x = 432,920,460,628.29/1,036,678.20
  6. Step 6: Final answer
    x = 417,603.52

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Double scale
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1.5x scale

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.