Home / 1,271,990.25-1,908,860.18-524,036.25

Finding the Fourth Proportional to 1,271,990.25, 1,908,860.18 and 524,036.25

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Solution

The fourth proportional to 1,271,990.25, 1,908,860.18 and 524,036.25 is: 786,414.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,990.25 : 1,908,860.18 = 524,036.25 : x
  2. Step 2: Convert to fraction form
    1,271,990.25/1,908,860.18 = 524,036.25/x
  3. Step 3: Cross multiply
    1,271,990.25x = 1,908,860.18 × 524,036.25
  4. Step 4: Simplify right side
    1,271,990.25x = 1,000,311,927,881.34
  5. Step 5: Solve for x
    x = 1,000,311,927,881.34/1,271,990.25
  6. Step 6: Final answer
    x = 786,414.78

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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.