Home / 1,039,802.50-1,559,698.89-281,642.50

Finding the Fourth Proportional to 1,039,802.50, 1,559,698.89 and 281,642.50

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Solution

The fourth proportional to 1,039,802.50, 1,559,698.89 and 281,642.50 is: 422,462.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,802.50 : 1,559,698.89 = 281,642.50 : x
  2. Step 2: Convert to fraction form
    1,039,802.50/1,559,698.89 = 281,642.50/x
  3. Step 3: Cross multiply
    1,039,802.50x = 1,559,698.89 × 281,642.50
  4. Step 4: Simplify right side
    1,039,802.50x = 439,277,489,671.42
  5. Step 5: Solve for x
    x = 439,277,489,671.42/1,039,802.50
  6. Step 6: Final answer
    x = 422,462.43

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Similar ratio
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1.5x scale

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.