Home / 1,426,015.80-2,139,373.62-415,146.81

Finding the Fourth Proportional to 1,426,015.80, 2,139,373.62 and 415,146.81

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Solution

The fourth proportional to 1,426,015.80, 2,139,373.62 and 415,146.81 is: 622,822.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,015.80 : 2,139,373.62 = 415,146.81 : x
  2. Step 2: Convert to fraction form
    1,426,015.80/2,139,373.62 = 415,146.81/x
  3. Step 3: Cross multiply
    1,426,015.80x = 2,139,373.62 × 415,146.81
  4. Step 4: Simplify right side
    1,426,015.80x = 888,154,133,741.15
  5. Step 5: Solve for x
    x = 888,154,133,741.15/1,426,015.80
  6. Step 6: Final answer
    x = 622,822.08

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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.