Home / 1,390,180.83-2,081,507.84-983,702.27

Finding the Fourth Proportional to 1,390,180.83, 2,081,507.84 and 983,702.27

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Solution

The fourth proportional to 1,390,180.83, 2,081,507.84 and 983,702.27 is: 1,472,890.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,390,180.83 : 2,081,507.84 = 983,702.27 : x
  2. Step 2: Convert to fraction form
    1,390,180.83/2,081,507.84 = 983,702.27/x
  3. Step 3: Cross multiply
    1,390,180.83x = 2,081,507.84 × 983,702.27
  4. Step 4: Simplify right side
    1,390,180.83x = 2,047,583,987,230.80
  5. Step 5: Solve for x
    x = 2,047,583,987,230.80/1,390,180.83
  6. Step 6: Final answer
    x = 1,472,890.39

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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.