Home / 1,348,981.86-1,860,713.46-864,780.06

Finding the Fourth Proportional to 1,348,981.86, 1,860,713.46 and 864,780.06

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Solution

The fourth proportional to 1,348,981.86, 1,860,713.46 and 864,780.06 is: 1,192,831.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348,981.86 : 1,860,713.46 = 864,780.06 : x
  2. Step 2: Convert to fraction form
    1,348,981.86/1,860,713.46 = 864,780.06/x
  3. Step 3: Cross multiply
    1,348,981.86x = 1,860,713.46 × 864,780.06
  4. Step 4: Simplify right side
    1,348,981.86x = 1,609,107,897,581.61
  5. Step 5: Solve for x
    x = 1,609,107,897,581.61/1,348,981.86
  6. Step 6: Final answer
    x = 1,192,831.38

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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.