Home / 1,354,168.84-1,868,726.28-742,322.92

Finding the Fourth Proportional to 1,354,168.84, 1,868,726.28 and 742,322.92

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Solution

The fourth proportional to 1,354,168.84, 1,868,726.28 and 742,322.92 is: 1,024,390.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354,168.84 : 1,868,726.28 = 742,322.92 : x
  2. Step 2: Convert to fraction form
    1,354,168.84/1,868,726.28 = 742,322.92/x
  3. Step 3: Cross multiply
    1,354,168.84x = 1,868,726.28 × 742,322.92
  4. Step 4: Simplify right side
    1,354,168.84x = 1,387,198,348,850.34
  5. Step 5: Solve for x
    x = 1,387,198,348,850.34/1,354,168.84
  6. Step 6: Final answer
    x = 1,024,390.98

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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.