Home / 1,316,296.50-1,974,444.78-319,024.50

Finding the Fourth Proportional to 1,316,296.50, 1,974,444.78 and 319,024.50

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Solution

The fourth proportional to 1,316,296.50, 1,974,444.78 and 319,024.50 is: 478,536.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,296.50 : 1,974,444.78 = 319,024.50 : x
  2. Step 2: Convert to fraction form
    1,316,296.50/1,974,444.78 = 319,024.50/x
  3. Step 3: Cross multiply
    1,316,296.50x = 1,974,444.78 × 319,024.50
  4. Step 4: Simplify right side
    1,316,296.50x = 629,896,258,717.11
  5. Step 5: Solve for x
    x = 629,896,258,717.11/1,316,296.50
  6. Step 6: Final answer
    x = 478,536.76

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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.