Home / 1,296,254.05-1,789,503.18-947,002.77

Finding the Fourth Proportional to 1,296,254.05, 1,789,503.18 and 947,002.77

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Solution

The fourth proportional to 1,296,254.05, 1,789,503.18 and 947,002.77 is: 1,307,355.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,254.05 : 1,789,503.18 = 947,002.77 : x
  2. Step 2: Convert to fraction form
    1,296,254.05/1,789,503.18 = 947,002.77/x
  3. Step 3: Cross multiply
    1,296,254.05x = 1,789,503.18 × 947,002.77
  4. Step 4: Simplify right side
    1,296,254.05x = 1,694,664,471,543.19
  5. Step 5: Solve for x
    x = 1,694,664,471,543.19/1,296,254.05
  6. Step 6: Final answer
    x = 1,307,355.20

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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.