Home / 1,292,597.70-1,938,896.55-732,725.70

Finding the Fourth Proportional to 1,292,597.70, 1,938,896.55 and 732,725.70

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Solution

The fourth proportional to 1,292,597.70, 1,938,896.55 and 732,725.70 is: 1,099,088.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,597.70 : 1,938,896.55 = 732,725.70 : x
  2. Step 2: Convert to fraction form
    1,292,597.70/1,938,896.55 = 732,725.70/x
  3. Step 3: Cross multiply
    1,292,597.70x = 1,938,896.55 × 732,725.70
  4. Step 4: Simplify right side
    1,292,597.70x = 1,420,679,331,826.34
  5. Step 5: Solve for x
    x = 1,420,679,331,826.34/1,292,597.70
  6. Step 6: Final answer
    x = 1,099,088.55

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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.