Home / 1,316,284.46-1,974,426.70-319,012.46

Finding the Fourth Proportional to 1,316,284.46, 1,974,426.70 and 319,012.46

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Solution

The fourth proportional to 1,316,284.46, 1,974,426.70 and 319,012.46 is: 478,518.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,284.46 : 1,974,426.70 = 319,012.46 : x
  2. Step 2: Convert to fraction form
    1,316,284.46/1,974,426.70 = 319,012.46/x
  3. Step 3: Cross multiply
    1,316,284.46x = 1,974,426.70 × 319,012.46
  4. Step 4: Simplify right side
    1,316,284.46x = 629,866,718,656.68
  5. Step 5: Solve for x
    x = 629,866,718,656.68/1,316,284.46
  6. Step 6: Final answer
    x = 478,518.69

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Double scale
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Similar ratio
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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.