Home / 1,438,356.84-2,156,899.77-539,167.86

Finding the Fourth Proportional to 1,438,356.84, 2,156,899.77 and 539,167.86

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Solution

The fourth proportional to 1,438,356.84, 2,156,899.77 and 539,167.86 is: 808,513.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,356.84 : 2,156,899.77 = 539,167.86 : x
  2. Step 2: Convert to fraction form
    1,438,356.84/2,156,899.77 = 539,167.86/x
  3. Step 3: Cross multiply
    1,438,356.84x = 2,156,899.77 × 539,167.86
  4. Step 4: Simplify right side
    1,438,356.84x = 1,162,931,033,225.39
  5. Step 5: Solve for x
    x = 1,162,931,033,225.39/1,438,356.84
  6. Step 6: Final answer
    x = 808,513.58

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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.