Home / 1,492,341.36-2,238,831.72-481,521.12

Finding the Fourth Proportional to 1,492,341.36, 2,238,831.72 and 481,521.12

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Solution

The fourth proportional to 1,492,341.36, 2,238,831.72 and 481,521.12 is: 722,384.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,341.36 : 2,238,831.72 = 481,521.12 : x
  2. Step 2: Convert to fraction form
    1,492,341.36/2,238,831.72 = 481,521.12/x
  3. Step 3: Cross multiply
    1,492,341.36x = 2,238,831.72 × 481,521.12
  4. Step 4: Simplify right side
    1,492,341.36x = 1,078,044,757,305.93
  5. Step 5: Solve for x
    x = 1,078,044,757,305.93/1,492,341.36
  6. Step 6: Final answer
    x = 722,384.83

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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.