Home / 1,429,416.37-1,972,598.43-784,878.31

Finding the Fourth Proportional to 1,429,416.37, 1,972,598.43 and 784,878.31

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Solution

The fourth proportional to 1,429,416.37, 1,972,598.43 and 784,878.31 is: 1,083,134.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,416.37 : 1,972,598.43 = 784,878.31 : x
  2. Step 2: Convert to fraction form
    1,429,416.37/1,972,598.43 = 784,878.31/x
  3. Step 3: Cross multiply
    1,429,416.37x = 1,972,598.43 × 784,878.31
  4. Step 4: Simplify right side
    1,429,416.37x = 1,548,249,722,047.05
  5. Step 5: Solve for x
    x = 1,548,249,722,047.05/1,429,416.37
  6. Step 6: Final answer
    x = 1,083,134.18

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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.