Home / 1,595,710.40-2,390,941.20-1,328,021.60

Finding the Fourth Proportional to 1,595,710.40, 2,390,941.20 and 1,328,021.60

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Solution

The fourth proportional to 1,595,710.40, 2,390,941.20 and 1,328,021.60 is: 1,989,848.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,595,710.40 : 2,390,941.20 = 1,328,021.60 : x
  2. Step 2: Convert to fraction form
    1,595,710.40/2,390,941.20 = 1,328,021.60/x
  3. Step 3: Cross multiply
    1,595,710.40x = 2,390,941.20 × 1,328,021.60
  4. Step 4: Simplify right side
    1,595,710.40x = 3,175,221,557,929.92
  5. Step 5: Solve for x
    x = 3,175,221,557,929.92/1,595,710.40
  6. Step 6: Final answer
    x = 1,989,848.26

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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.