Home / 1,258,506.96-1,736,657.76-742,142.42

Finding the Fourth Proportional to 1,258,506.96, 1,736,657.76 and 742,142.42

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Solution

The fourth proportional to 1,258,506.96, 1,736,657.76 and 742,142.42 is: 1,024,108.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,506.96 : 1,736,657.76 = 742,142.42 : x
  2. Step 2: Convert to fraction form
    1,258,506.96/1,736,657.76 = 742,142.42/x
  3. Step 3: Cross multiply
    1,258,506.96x = 1,736,657.76 × 742,142.42
  4. Step 4: Simplify right side
    1,258,506.96x = 1,288,847,389,007.47
  5. Step 5: Solve for x
    x = 1,288,847,389,007.47/1,258,506.96
  6. Step 6: Final answer
    x = 1,024,108.27

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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.