Home / 1,742,987.80-2,405,381.57-968,651.27

Finding the Fourth Proportional to 1,742,987.80, 2,405,381.57 and 968,651.27

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Solution

The fourth proportional to 1,742,987.80, 2,405,381.57 and 968,651.27 is: 1,336,771.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,742,987.80 : 2,405,381.57 = 968,651.27 : x
  2. Step 2: Convert to fraction form
    1,742,987.80/2,405,381.57 = 968,651.27/x
  3. Step 3: Cross multiply
    1,742,987.80x = 2,405,381.57 × 968,651.27
  4. Step 4: Simplify right side
    1,742,987.80x = 2,329,975,925,267.72
  5. Step 5: Solve for x
    x = 2,329,975,925,267.72/1,742,987.80
  6. Step 6: Final answer
    x = 1,336,771.22

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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.