Home / 1,212,696.60-1,819,051.20-314,075.40

Finding the Fourth Proportional to 1,212,696.60, 1,819,051.20 and 314,075.40

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Solution

The fourth proportional to 1,212,696.60, 1,819,051.20 and 314,075.40 is: 471,114.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,696.60 : 1,819,051.20 = 314,075.40 : x
  2. Step 2: Convert to fraction form
    1,212,696.60/1,819,051.20 = 314,075.40/x
  3. Step 3: Cross multiply
    1,212,696.60x = 1,819,051.20 × 314,075.40
  4. Step 4: Simplify right side
    1,212,696.60x = 571,319,233,260.48
  5. Step 5: Solve for x
    x = 571,319,233,260.48/1,212,696.60
  6. Step 6: Final answer
    x = 471,114.73

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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.