Home / 1,429,022.34-1,972,043.01-784,453.50

Finding the Fourth Proportional to 1,429,022.34, 1,972,043.01 and 784,453.50

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Solution

The fourth proportional to 1,429,022.34, 1,972,043.01 and 784,453.50 is: 1,082,541.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,022.34 : 1,972,043.01 = 784,453.50 : x
  2. Step 2: Convert to fraction form
    1,429,022.34/1,972,043.01 = 784,453.50/x
  3. Step 3: Cross multiply
    1,429,022.34x = 1,972,043.01 × 784,453.50
  4. Step 4: Simplify right side
    1,429,022.34x = 1,546,976,041,345.04
  5. Step 5: Solve for x
    x = 1,546,976,041,345.04/1,429,022.34
  6. Step 6: Final answer
    x = 1,082,541.54

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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.