Home / 1,742,821.72-2,405,045.98-968,432.56

Finding the Fourth Proportional to 1,742,821.72, 2,405,045.98 and 968,432.56

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Solution

The fourth proportional to 1,742,821.72, 2,405,045.98 and 968,432.56 is: 1,336,410.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,742,821.72 : 2,405,045.98 = 968,432.56 : x
  2. Step 2: Convert to fraction form
    1,742,821.72/2,405,045.98 = 968,432.56/x
  3. Step 3: Cross multiply
    1,742,821.72x = 2,405,045.98 × 968,432.56
  4. Step 4: Simplify right side
    1,742,821.72x = 2,329,124,835,329.11
  5. Step 5: Solve for x
    x = 2,329,124,835,329.11/1,742,821.72
  6. Step 6: Final answer
    x = 1,336,410.26

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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.