Home / 1,424,770.62-1,966,110.18-780,066.12

Finding the Fourth Proportional to 1,424,770.62, 1,966,110.18 and 780,066.12

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Solution

The fourth proportional to 1,424,770.62, 1,966,110.18 and 780,066.12 is: 1,076,451.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,770.62 : 1,966,110.18 = 780,066.12 : x
  2. Step 2: Convert to fraction form
    1,424,770.62/1,966,110.18 = 780,066.12/x
  3. Step 3: Cross multiply
    1,424,770.62x = 1,966,110.18 × 780,066.12
  4. Step 4: Simplify right side
    1,424,770.62x = 1,533,695,939,605.10
  5. Step 5: Solve for x
    x = 1,533,695,939,605.10/1,424,770.62
  6. Step 6: Final answer
    x = 1,076,451.13

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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.