Home / 1,316,373.75-1,974,560.63-319,101.75

Finding the Fourth Proportional to 1,316,373.75, 1,974,560.63 and 319,101.75

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Solution

The fourth proportional to 1,316,373.75, 1,974,560.63 and 319,101.75 is: 478,652.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,373.75 : 1,974,560.63 = 319,101.75 : x
  2. Step 2: Convert to fraction form
    1,316,373.75/1,974,560.63 = 319,101.75/x
  3. Step 3: Cross multiply
    1,316,373.75x = 1,974,560.63 × 319,101.75
  4. Step 4: Simplify right side
    1,316,373.75x = 630,085,750,918.59
  5. Step 5: Solve for x
    x = 630,085,750,918.59/1,316,373.75
  6. Step 6: Final answer
    x = 478,652.63

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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.