Home / 1,523,728.77-2,102,320.28-1,200,435.50

Finding the Fourth Proportional to 1,523,728.77, 2,102,320.28 and 1,200,435.50

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Solution

The fourth proportional to 1,523,728.77, 2,102,320.28 and 1,200,435.50 is: 1,656,265.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,523,728.77 : 2,102,320.28 = 1,200,435.50 : x
  2. Step 2: Convert to fraction form
    1,523,728.77/2,102,320.28 = 1,200,435.50/x
  3. Step 3: Cross multiply
    1,523,728.77x = 2,102,320.28 × 1,200,435.50
  4. Step 4: Simplify right side
    1,523,728.77x = 2,523,699,879,968.16
  5. Step 5: Solve for x
    x = 2,523,699,879,968.16/1,523,728.77
  6. Step 6: Final answer
    x = 1,656,265.82

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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.