Home / 1,296,369.60-1,788,271.20-759,721.92

Finding the Fourth Proportional to 1,296,369.60, 1,788,271.20 and 759,721.92

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Solution

The fourth proportional to 1,296,369.60, 1,788,271.20 and 759,721.92 is: 1,047,994.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,369.60 : 1,788,271.20 = 759,721.92 : x
  2. Step 2: Convert to fraction form
    1,296,369.60/1,788,271.20 = 759,721.92/x
  3. Step 3: Cross multiply
    1,296,369.60x = 1,788,271.20 × 759,721.92
  4. Step 4: Simplify right side
    1,296,369.60x = 1,358,588,829,544.70
  5. Step 5: Solve for x
    x = 1,358,588,829,544.70/1,296,369.60
  6. Step 6: Final answer
    x = 1,047,994.98

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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.