Home / 1,411,984.47-1,948,551.38-767,406.21

Finding the Fourth Proportional to 1,411,984.47, 1,948,551.38 and 767,406.21

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Solution

The fourth proportional to 1,411,984.47, 1,948,551.38 and 767,406.21 is: 1,059,027.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,984.47 : 1,948,551.38 = 767,406.21 : x
  2. Step 2: Convert to fraction form
    1,411,984.47/1,948,551.38 = 767,406.21/x
  3. Step 3: Cross multiply
    1,411,984.47x = 1,948,551.38 × 767,406.21
  4. Step 4: Simplify right side
    1,411,984.47x = 1,495,330,429,516.07
  5. Step 5: Solve for x
    x = 1,495,330,429,516.07/1,411,984.47
  6. Step 6: Final answer
    x = 1,059,027.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.