Home / 1,429,315.80-2,142,005.40-948,175.80

Finding the Fourth Proportional to 1,429,315.80, 2,142,005.40 and 948,175.80

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Solution

The fourth proportional to 1,429,315.80, 2,142,005.40 and 948,175.80 is: 1,420,957.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,315.80 : 2,142,005.40 = 948,175.80 : x
  2. Step 2: Convert to fraction form
    1,429,315.80/2,142,005.40 = 948,175.80/x
  3. Step 3: Cross multiply
    1,429,315.80x = 2,142,005.40 × 948,175.80
  4. Step 4: Simplify right side
    1,429,315.80x = 2,030,997,683,749.32
  5. Step 5: Solve for x
    x = 2,030,997,683,749.32/1,429,315.80
  6. Step 6: Final answer
    x = 1,420,957.97

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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.