Home / 875,636.20-1,314,491.10-869,415.40

Finding the Fourth Proportional to 875,636.20, 1,314,491.10 and 869,415.40

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Solution

The fourth proportional to 875,636.20, 1,314,491.10 and 869,415.40 is: 1,305,152.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,636.20 : 1,314,491.10 = 869,415.40 : x
  2. Step 2: Convert to fraction form
    875,636.20/1,314,491.10 = 869,415.40/x
  3. Step 3: Cross multiply
    875,636.20x = 1,314,491.10 × 869,415.40
  4. Step 4: Simplify right side
    875,636.20x = 1,142,838,805,502.94
  5. Step 5: Solve for x
    x = 1,142,838,805,502.94/875,636.20
  6. Step 6: Final answer
    x = 1,305,152.53

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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.