Home / 1,753,205.40-2,629,808.10-808,421.40

Finding the Fourth Proportional to 1,753,205.40, 2,629,808.10 and 808,421.40

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Solution

The fourth proportional to 1,753,205.40, 2,629,808.10 and 808,421.40 is: 1,212,632.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753,205.40 : 2,629,808.10 = 808,421.40 : x
  2. Step 2: Convert to fraction form
    1,753,205.40/2,629,808.10 = 808,421.40/x
  3. Step 3: Cross multiply
    1,753,205.40x = 2,629,808.10 × 808,421.40
  4. Step 4: Simplify right side
    1,753,205.40x = 2,125,993,145,933.34
  5. Step 5: Solve for x
    x = 2,125,993,145,933.34/1,753,205.40
  6. Step 6: Final answer
    x = 1,212,632.10

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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.