Home / 1,112,737.04-1,668,872.01-313,831.76

Finding the Fourth Proportional to 1,112,737.04, 1,668,872.01 and 313,831.76

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Solution

The fourth proportional to 1,112,737.04, 1,668,872.01 and 313,831.76 is: 470,681.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,737.04 : 1,668,872.01 = 313,831.76 : x
  2. Step 2: Convert to fraction form
    1,112,737.04/1,668,872.01 = 313,831.76/x
  3. Step 3: Cross multiply
    1,112,737.04x = 1,668,872.01 × 313,831.76
  4. Step 4: Simplify right side
    1,112,737.04x = 523,745,031,768.68
  5. Step 5: Solve for x
    x = 523,745,031,768.68/1,112,737.04
  6. Step 6: Final answer
    x = 470,681.77

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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.