Home / 1,427,130-2,141,009.80-416,331

Finding the Fourth Proportional to 1,427,130, 2,141,009.80 and 416,331

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Solution

The fourth proportional to 1,427,130, 2,141,009.80 and 416,331 is: 624,588.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,130 : 2,141,009.80 = 416,331 : x
  2. Step 2: Convert to fraction form
    1,427,130/2,141,009.80 = 416,331/x
  3. Step 3: Cross multiply
    1,427,130x = 2,141,009.80 × 416,331
  4. Step 4: Simplify right side
    1,427,130x = 891,368,751,043.80
  5. Step 5: Solve for x
    x = 891,368,751,043.80/1,427,130
  6. Step 6: Final answer
    x = 624,588.34

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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.