Home / 1,875,067.40-2,812,602.56-455,124.88

Finding the Fourth Proportional to 1,875,067.40, 2,812,602.56 and 455,124.88

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Solution

The fourth proportional to 1,875,067.40, 2,812,602.56 and 455,124.88 is: 682,687.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,875,067.40 : 2,812,602.56 = 455,124.88 : x
  2. Step 2: Convert to fraction form
    1,875,067.40/2,812,602.56 = 455,124.88/x
  3. Step 3: Cross multiply
    1,875,067.40x = 2,812,602.56 × 455,124.88
  4. Step 4: Simplify right side
    1,875,067.40x = 1,280,085,402,607.69
  5. Step 5: Solve for x
    x = 1,280,085,402,607.69/1,875,067.40
  6. Step 6: Final answer
    x = 682,687.67

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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.