Home / 1,457,391.75-2,011,204.18-812,853.69

Finding the Fourth Proportional to 1,457,391.75, 2,011,204.18 and 812,853.69

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Solution

The fourth proportional to 1,457,391.75, 2,011,204.18 and 812,853.69 is: 1,121,740.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,391.75 : 2,011,204.18 = 812,853.69 : x
  2. Step 2: Convert to fraction form
    1,457,391.75/2,011,204.18 = 812,853.69/x
  3. Step 3: Cross multiply
    1,457,391.75x = 2,011,204.18 × 812,853.69
  4. Step 4: Simplify right side
    1,457,391.75x = 1,634,814,739,056.42
  5. Step 5: Solve for x
    x = 1,634,814,739,056.42/1,457,391.75
  6. Step 6: Final answer
    x = 1,121,740.08

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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.