Home / 1,312,316.40-1,968,231.60-365,491.20

Finding the Fourth Proportional to 1,312,316.40, 1,968,231.60 and 365,491.20

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Solution

The fourth proportional to 1,312,316.40, 1,968,231.60 and 365,491.20 is: 548,169.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,316.40 : 1,968,231.60 = 365,491.20 : x
  2. Step 2: Convert to fraction form
    1,312,316.40/1,968,231.60 = 365,491.20/x
  3. Step 3: Cross multiply
    1,312,316.40x = 1,968,231.60 × 365,491.20
  4. Step 4: Simplify right side
    1,312,316.40x = 719,371,329,361.92
  5. Step 5: Solve for x
    x = 719,371,329,361.92/1,312,316.40
  6. Step 6: Final answer
    x = 548,169.12

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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.