Home / 1,416,558.51-2,125,465.20-742,479.57

Finding the Fourth Proportional to 1,416,558.51, 2,125,465.20 and 742,479.57

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Solution

The fourth proportional to 1,416,558.51, 2,125,465.20 and 742,479.57 is: 1,114,048.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,558.51 : 2,125,465.20 = 742,479.57 : x
  2. Step 2: Convert to fraction form
    1,416,558.51/2,125,465.20 = 742,479.57/x
  3. Step 3: Cross multiply
    1,416,558.51x = 2,125,465.20 × 742,479.57
  4. Step 4: Simplify right side
    1,416,558.51x = 1,578,114,487,745.96
  5. Step 5: Solve for x
    x = 1,578,114,487,745.96/1,416,558.51
  6. Step 6: Final answer
    x = 1,114,048.22

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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.