Home / 1,316,539-1,974,814.98-319,267

Finding the Fourth Proportional to 1,316,539, 1,974,814.98 and 319,267

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Solution

The fourth proportional to 1,316,539, 1,974,814.98 and 319,267 is: 478,902.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,539 : 1,974,814.98 = 319,267 : x
  2. Step 2: Convert to fraction form
    1,316,539/1,974,814.98 = 319,267/x
  3. Step 3: Cross multiply
    1,316,539x = 1,974,814.98 × 319,267
  4. Step 4: Simplify right side
    1,316,539x = 630,493,254,219.66
  5. Step 5: Solve for x
    x = 630,493,254,219.66/1,316,539
  6. Step 6: Final answer
    x = 478,902.07

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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.