Home / 1,426,013.12-2,138,999.54-346,533.62

Finding the Fourth Proportional to 1,426,013.12, 2,138,999.54 and 346,533.62

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Solution

The fourth proportional to 1,426,013.12, 2,138,999.54 and 346,533.62 is: 519,795.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,013.12 : 2,138,999.54 = 346,533.62 : x
  2. Step 2: Convert to fraction form
    1,426,013.12/2,138,999.54 = 346,533.62/x
  3. Step 3: Cross multiply
    1,426,013.12x = 2,138,999.54 × 346,533.62
  4. Step 4: Simplify right side
    1,426,013.12x = 741,235,241,346.87
  5. Step 5: Solve for x
    x = 741,235,241,346.87/1,426,013.12
  6. Step 6: Final answer
    x = 519,795.53

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1.5x scale

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.