Home / 1,309,218.80-1,964,801.64-973,042.16

Finding the Fourth Proportional to 1,309,218.80, 1,964,801.64 and 973,042.16

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Solution

The fourth proportional to 1,309,218.80, 1,964,801.64 and 973,042.16 is: 1,460,286.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,218.80 : 1,964,801.64 = 973,042.16 : x
  2. Step 2: Convert to fraction form
    1,309,218.80/1,964,801.64 = 973,042.16/x
  3. Step 3: Cross multiply
    1,309,218.80x = 1,964,801.64 × 973,042.16
  4. Step 4: Simplify right side
    1,309,218.80x = 1,911,834,831,757.14
  5. Step 5: Solve for x
    x = 1,911,834,831,757.14/1,309,218.80
  6. Step 6: Final answer
    x = 1,460,286.72

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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.