Home / 1,370,389.50-1,890,702.75-797,318.95

Finding the Fourth Proportional to 1,370,389.50, 1,890,702.75 and 797,318.95

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Solution

The fourth proportional to 1,370,389.50, 1,890,702.75 and 797,318.95 is: 1,100,047.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,389.50 : 1,890,702.75 = 797,318.95 : x
  2. Step 2: Convert to fraction form
    1,370,389.50/1,890,702.75 = 797,318.95/x
  3. Step 3: Cross multiply
    1,370,389.50x = 1,890,702.75 × 797,318.95
  4. Step 4: Simplify right side
    1,370,389.50x = 1,507,493,130,765.55
  5. Step 5: Solve for x
    x = 1,507,493,130,765.55/1,370,389.50
  6. Step 6: Final answer
    x = 1,100,047.20

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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.