Home / 1,294,140.09-1,785,625.51-742,822.14

Finding the Fourth Proportional to 1,294,140.09, 1,785,625.51 and 742,822.14

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Solution

The fourth proportional to 1,294,140.09, 1,785,625.51 and 742,822.14 is: 1,024,929.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,140.09 : 1,785,625.51 = 742,822.14 : x
  2. Step 2: Convert to fraction form
    1,294,140.09/1,785,625.51 = 742,822.14/x
  3. Step 3: Cross multiply
    1,294,140.09x = 1,785,625.51 × 742,822.14
  4. Step 4: Simplify right side
    1,294,140.09x = 1,326,402,168,808.62
  5. Step 5: Solve for x
    x = 1,326,402,168,808.62/1,294,140.09
  6. Step 6: Final answer
    x = 1,024,929.36

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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.