Home / 1,017,039.60-1,523,809.80-661,870.80

Finding the Fourth Proportional to 1,017,039.60, 1,523,809.80 and 661,870.80

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Solution

The fourth proportional to 1,017,039.60, 1,523,809.80 and 661,870.80 is: 991,667.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,039.60 : 1,523,809.80 = 661,870.80 : x
  2. Step 2: Convert to fraction form
    1,017,039.60/1,523,809.80 = 661,870.80/x
  3. Step 3: Cross multiply
    1,017,039.60x = 1,523,809.80 × 661,870.80
  4. Step 4: Simplify right side
    1,017,039.60x = 1,008,565,211,373.84
  5. Step 5: Solve for x
    x = 1,008,565,211,373.84/1,017,039.60
  6. Step 6: Final answer
    x = 991,667.59

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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.