Home / 1,457,246.42-2,010,996.15-812,667.34

Finding the Fourth Proportional to 1,457,246.42, 2,010,996.15 and 812,667.34

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Solution

The fourth proportional to 1,457,246.42, 2,010,996.15 and 812,667.34 is: 1,121,478.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,246.42 : 2,010,996.15 = 812,667.34 : x
  2. Step 2: Convert to fraction form
    1,457,246.42/2,010,996.15 = 812,667.34/x
  3. Step 3: Cross multiply
    1,457,246.42x = 2,010,996.15 × 812,667.34
  4. Step 4: Simplify right side
    1,457,246.42x = 1,634,270,891,970.74
  5. Step 5: Solve for x
    x = 1,634,270,891,970.74/1,457,246.42
  6. Step 6: Final answer
    x = 1,121,478.75

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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.