Home / 1,048,720.23-1,447,472.84-742,478.27

Finding the Fourth Proportional to 1,048,720.23, 1,447,472.84 and 742,478.27

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Solution

The fourth proportional to 1,048,720.23, 1,447,472.84 and 742,478.27 is: 1,024,789.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,720.23 : 1,447,472.84 = 742,478.27 : x
  2. Step 2: Convert to fraction form
    1,048,720.23/1,447,472.84 = 742,478.27/x
  3. Step 3: Cross multiply
    1,048,720.23x = 1,447,472.84 × 742,478.27
  4. Step 4: Simplify right side
    1,048,720.23x = 1,074,717,119,165.43
  5. Step 5: Solve for x
    x = 1,074,717,119,165.43/1,048,720.23
  6. Step 6: Final answer
    x = 1,024,789.16

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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.