Home / 1,521,831.15-2,282,208.21-442,119.06

Finding the Fourth Proportional to 1,521,831.15, 2,282,208.21 and 442,119.06

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Solution

The fourth proportional to 1,521,831.15, 2,282,208.21 and 442,119.06 is: 663,022.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,831.15 : 2,282,208.21 = 442,119.06 : x
  2. Step 2: Convert to fraction form
    1,521,831.15/2,282,208.21 = 442,119.06/x
  3. Step 3: Cross multiply
    1,521,831.15x = 2,282,208.21 × 442,119.06
  4. Step 4: Simplify right side
    1,521,831.15x = 1,009,007,748,529.48
  5. Step 5: Solve for x
    x = 1,009,007,748,529.48/1,521,831.15
  6. Step 6: Final answer
    x = 663,022.14

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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.