Home / 1,352,145.51-1,867,225.23-869,548.50

Finding the Fourth Proportional to 1,352,145.51, 1,867,225.23 and 869,548.50

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Solution

The fourth proportional to 1,352,145.51, 1,867,225.23 and 869,548.50 is: 1,200,790.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,352,145.51 : 1,867,225.23 = 869,548.50 : x
  2. Step 2: Convert to fraction form
    1,352,145.51/1,867,225.23 = 869,548.50/x
  3. Step 3: Cross multiply
    1,352,145.51x = 1,867,225.23 × 869,548.50
  4. Step 4: Simplify right side
    1,352,145.51x = 1,623,642,897,908.66
  5. Step 5: Solve for x
    x = 1,623,642,897,908.66/1,352,145.51
  6. Step 6: Final answer
    x = 1,200,790.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.