Home / 1,283,627.64-1,771,592.67-739,657.56

Finding the Fourth Proportional to 1,283,627.64, 1,771,592.67 and 739,657.56

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Solution

The fourth proportional to 1,283,627.64, 1,771,592.67 and 739,657.56 is: 1,020,834.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,627.64 : 1,771,592.67 = 739,657.56 : x
  2. Step 2: Convert to fraction form
    1,283,627.64/1,771,592.67 = 739,657.56/x
  3. Step 3: Cross multiply
    1,283,627.64x = 1,771,592.67 × 739,657.56
  4. Step 4: Simplify right side
    1,283,627.64x = 1,310,371,911,606.09
  5. Step 5: Solve for x
    x = 1,310,371,911,606.09/1,283,627.64
  6. Step 6: Final answer
    x = 1,020,834.91

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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.