Home / 1,312,690.92-1,969,368.42-366,061.74

Finding the Fourth Proportional to 1,312,690.92, 1,969,368.42 and 366,061.74

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Solution

The fourth proportional to 1,312,690.92, 1,969,368.42 and 366,061.74 is: 549,185.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,690.92 : 1,969,368.42 = 366,061.74 : x
  2. Step 2: Convert to fraction form
    1,312,690.92/1,969,368.42 = 366,061.74/x
  3. Step 3: Cross multiply
    1,312,690.92x = 1,969,368.42 × 366,061.74
  4. Step 4: Simplify right side
    1,312,690.92x = 720,910,430,526.25
  5. Step 5: Solve for x
    x = 720,910,430,526.25/1,312,690.92
  6. Step 6: Final answer
    x = 549,185.20

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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.