Home / 1,293,744.78-1,785,325.93-742,551.21

Finding the Fourth Proportional to 1,293,744.78, 1,785,325.93 and 742,551.21

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Solution

The fourth proportional to 1,293,744.78, 1,785,325.93 and 742,551.21 is: 1,024,696.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,744.78 : 1,785,325.93 = 742,551.21 : x
  2. Step 2: Convert to fraction form
    1,293,744.78/1,785,325.93 = 742,551.21/x
  3. Step 3: Cross multiply
    1,293,744.78x = 1,785,325.93 × 742,551.21
  4. Step 4: Simplify right side
    1,293,744.78x = 1,325,695,927,709.50
  5. Step 5: Solve for x
    x = 1,325,695,927,709.50/1,293,744.78
  6. Step 6: Final answer
    x = 1,024,696.64

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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.