Home / 1,312,903.80-1,969,326.90-366,247.80

Finding the Fourth Proportional to 1,312,903.80, 1,969,326.90 and 366,247.80

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Solution

The fourth proportional to 1,312,903.80, 1,969,326.90 and 366,247.80 is: 549,363.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,903.80 : 1,969,326.90 = 366,247.80 : x
  2. Step 2: Convert to fraction form
    1,312,903.80/1,969,326.90 = 366,247.80/x
  3. Step 3: Cross multiply
    1,312,903.80x = 1,969,326.90 × 366,247.80
  4. Step 4: Simplify right side
    1,312,903.80x = 721,261,644,605.82
  5. Step 5: Solve for x
    x = 721,261,644,605.82/1,312,903.80
  6. Step 6: Final answer
    x = 549,363.67

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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.