Home / 1,670,178.63-2,304,730.76-981,879.51

Finding the Fourth Proportional to 1,670,178.63, 2,304,730.76 and 981,879.51

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Solution

The fourth proportional to 1,670,178.63, 2,304,730.76 and 981,879.51 is: 1,354,925.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,178.63 : 2,304,730.76 = 981,879.51 : x
  2. Step 2: Convert to fraction form
    1,670,178.63/2,304,730.76 = 981,879.51/x
  3. Step 3: Cross multiply
    1,670,178.63x = 2,304,730.76 × 981,879.51
  4. Step 4: Simplify right side
    1,670,178.63x = 2,262,967,904,401.33
  5. Step 5: Solve for x
    x = 2,262,967,904,401.33/1,670,178.63
  6. Step 6: Final answer
    x = 1,354,925.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.