Home / 1,036,676.51-1,554,909.67-278,419.45

Finding the Fourth Proportional to 1,036,676.51, 1,554,909.67 and 278,419.45

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Solution

The fourth proportional to 1,036,676.51, 1,554,909.67 and 278,419.45 is: 417,600.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,676.51 : 1,554,909.67 = 278,419.45 : x
  2. Step 2: Convert to fraction form
    1,036,676.51/1,554,909.67 = 278,419.45/x
  3. Step 3: Cross multiply
    1,036,676.51x = 1,554,909.67 × 278,419.45
  4. Step 4: Simplify right side
    1,036,676.51x = 432,917,095,121.08
  5. Step 5: Solve for x
    x = 432,917,095,121.08/1,036,676.51
  6. Step 6: Final answer
    x = 417,600.95

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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.