Home / 1,540,813.89-2,311,712.91-742,176.17

Finding the Fourth Proportional to 1,540,813.89, 2,311,712.91 and 742,176.17

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Solution

The fourth proportional to 1,540,813.89, 2,311,712.91 and 742,176.17 is: 1,113,501.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540,813.89 : 2,311,712.91 = 742,176.17 : x
  2. Step 2: Convert to fraction form
    1,540,813.89/2,311,712.91 = 742,176.17/x
  3. Step 3: Cross multiply
    1,540,813.89x = 2,311,712.91 × 742,176.17
  4. Step 4: Simplify right side
    1,540,813.89x = 1,715,698,233,683.36
  5. Step 5: Solve for x
    x = 1,715,698,233,683.36/1,540,813.89
  6. Step 6: Final answer
    x = 1,113,501.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.