Home / 1,523,919.88-2,102,928.56-870,417.54

Finding the Fourth Proportional to 1,523,919.88, 2,102,928.56 and 870,417.54

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Solution

The fourth proportional to 1,523,919.88, 2,102,928.56 and 870,417.54 is: 1,201,130.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,523,919.88 : 2,102,928.56 = 870,417.54 : x
  2. Step 2: Convert to fraction form
    1,523,919.88/2,102,928.56 = 870,417.54/x
  3. Step 3: Cross multiply
    1,523,919.88x = 2,102,928.56 × 870,417.54
  4. Step 4: Simplify right side
    1,523,919.88x = 1,830,425,903,990.94
  5. Step 5: Solve for x
    x = 1,830,425,903,990.94/1,523,919.88
  6. Step 6: Final answer
    x = 1,201,130.01

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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.