Home / 1,312,817.46-1,969,051.20-366,108.90

Finding the Fourth Proportional to 1,312,817.46, 1,969,051.20 and 366,108.90

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Solution

The fourth proportional to 1,312,817.46, 1,969,051.20 and 366,108.90 is: 549,114.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,817.46 : 1,969,051.20 = 366,108.90 : x
  2. Step 2: Convert to fraction form
    1,312,817.46/1,969,051.20 = 366,108.90/x
  3. Step 3: Cross multiply
    1,312,817.46x = 1,969,051.20 × 366,108.90
  4. Step 4: Simplify right side
    1,312,817.46x = 720,887,168,875.68
  5. Step 5: Solve for x
    x = 720,887,168,875.68/1,312,817.46
  6. Step 6: Final answer
    x = 549,114.55

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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.