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Finding the Fourth Proportional to 1,312,677, 1,969,347.60 and 366,047.82

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Solution

The fourth proportional to 1,312,677, 1,969,347.60 and 366,047.82 is: 549,164.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,677 : 1,969,347.60 = 366,047.82 : x
  2. Step 2: Convert to fraction form
    1,312,677/1,969,347.60 = 366,047.82/x
  3. Step 3: Cross multiply
    1,312,677x = 1,969,347.60 × 366,047.82
  4. Step 4: Simplify right side
    1,312,677x = 720,875,395,802.23
  5. Step 5: Solve for x
    x = 720,875,395,802.23/1,312,677
  6. Step 6: Final answer
    x = 549,164.34

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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.