Home / 1,316,288.13-1,974,432.06-319,016.13

Finding the Fourth Proportional to 1,316,288.13, 1,974,432.06 and 319,016.13

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Solution

The fourth proportional to 1,316,288.13, 1,974,432.06 and 319,016.13 is: 478,524.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,288.13 : 1,974,432.06 = 319,016.13 : x
  2. Step 2: Convert to fraction form
    1,316,288.13/1,974,432.06 = 319,016.13/x
  3. Step 3: Cross multiply
    1,316,288.13x = 1,974,432.06 × 319,016.13
  4. Step 4: Simplify right side
    1,316,288.13x = 629,875,674,729.13
  5. Step 5: Solve for x
    x = 629,875,674,729.13/1,316,288.13
  6. Step 6: Final answer
    x = 478,524.16

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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.