Home / 1,316,012.15-1,974,018.09-717,476.60

Finding the Fourth Proportional to 1,316,012.15, 1,974,018.09 and 717,476.60

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Solution

The fourth proportional to 1,316,012.15, 1,974,018.09 and 717,476.60 is: 1,076,214.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,012.15 : 1,974,018.09 = 717,476.60 : x
  2. Step 2: Convert to fraction form
    1,316,012.15/1,974,018.09 = 717,476.60/x
  3. Step 3: Cross multiply
    1,316,012.15x = 1,974,018.09 × 717,476.60
  4. Step 4: Simplify right side
    1,316,012.15x = 1,416,311,787,551.69
  5. Step 5: Solve for x
    x = 1,416,311,787,551.69/1,316,012.15
  6. Step 6: Final answer
    x = 1,076,214.83

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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.