Home / 1,214,353.80-1,821,530.70-372,947.40

Finding the Fourth Proportional to 1,214,353.80, 1,821,530.70 and 372,947.40

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Solution

The fourth proportional to 1,214,353.80, 1,821,530.70 and 372,947.40 is: 559,421.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,353.80 : 1,821,530.70 = 372,947.40 : x
  2. Step 2: Convert to fraction form
    1,214,353.80/1,821,530.70 = 372,947.40/x
  3. Step 3: Cross multiply
    1,214,353.80x = 1,821,530.70 × 372,947.40
  4. Step 4: Simplify right side
    1,214,353.80x = 679,335,138,585.18
  5. Step 5: Solve for x
    x = 679,335,138,585.18/1,214,353.80
  6. Step 6: Final answer
    x = 559,421.10

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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.