Home / 1,127,023.07-1,690,811.42-328,311.63

Finding the Fourth Proportional to 1,127,023.07, 1,690,811.42 and 328,311.63

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Solution

The fourth proportional to 1,127,023.07, 1,690,811.42 and 328,311.63 is: 492,548.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,023.07 : 1,690,811.42 = 328,311.63 : x
  2. Step 2: Convert to fraction form
    1,127,023.07/1,690,811.42 = 328,311.63/x
  3. Step 3: Cross multiply
    1,127,023.07x = 1,690,811.42 × 328,311.63
  4. Step 4: Simplify right side
    1,127,023.07x = 555,113,051,681.26
  5. Step 5: Solve for x
    x = 555,113,051,681.26/1,127,023.07
  6. Step 6: Final answer
    x = 492,548.08

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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.