Home / 1,258,280.31-1,736,624.05-742,090.94

Finding the Fourth Proportional to 1,258,280.31, 1,736,624.05 and 742,090.94

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Solution

The fourth proportional to 1,258,280.31, 1,736,624.05 and 742,090.94 is: 1,024,201.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,280.31 : 1,736,624.05 = 742,090.94 : x
  2. Step 2: Convert to fraction form
    1,258,280.31/1,736,624.05 = 742,090.94/x
  3. Step 3: Cross multiply
    1,258,280.31x = 1,736,624.05 × 742,090.94
  4. Step 4: Simplify right side
    1,258,280.31x = 1,288,732,976,177.44
  5. Step 5: Solve for x
    x = 1,288,732,976,177.44/1,258,280.31
  6. Step 6: Final answer
    x = 1,024,201.81

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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.