Home / 1,186,612.86-1,784,970.36-1,075,631.42

Finding the Fourth Proportional to 1,186,612.86, 1,784,970.36 and 1,075,631.42

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Solution

The fourth proportional to 1,186,612.86, 1,784,970.36 and 1,075,631.42 is: 1,618,025.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,612.86 : 1,784,970.36 = 1,075,631.42 : x
  2. Step 2: Convert to fraction form
    1,186,612.86/1,784,970.36 = 1,075,631.42/x
  3. Step 3: Cross multiply
    1,186,612.86x = 1,784,970.36 × 1,075,631.42
  4. Step 4: Simplify right side
    1,186,612.86x = 1,919,970,202,984.71
  5. Step 5: Solve for x
    x = 1,919,970,202,984.71/1,186,612.86
  6. Step 6: Final answer
    x = 1,618,025.78

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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.