Home / 1,312,817.71-1,969,051.58-366,109.15

Finding the Fourth Proportional to 1,312,817.71, 1,969,051.58 and 366,109.15

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Solution

The fourth proportional to 1,312,817.71, 1,969,051.58 and 366,109.15 is: 549,114.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,817.71 : 1,969,051.58 = 366,109.15 : x
  2. Step 2: Convert to fraction form
    1,312,817.71/1,969,051.58 = 366,109.15/x
  3. Step 3: Cross multiply
    1,312,817.71x = 1,969,051.58 × 366,109.15
  4. Step 4: Simplify right side
    1,312,817.71x = 720,887,798,429.41
  5. Step 5: Solve for x
    x = 720,887,798,429.41/1,312,817.71
  6. Step 6: Final answer
    x = 549,114.93

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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.