Home / 1,278,411.55-1,764,307.51-734,737.01

Finding the Fourth Proportional to 1,278,411.55, 1,764,307.51 and 734,737.01

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Solution

The fourth proportional to 1,278,411.55, 1,764,307.51 and 734,737.01 is: 1,013,994.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,411.55 : 1,764,307.51 = 734,737.01 : x
  2. Step 2: Convert to fraction form
    1,278,411.55/1,764,307.51 = 734,737.01/x
  3. Step 3: Cross multiply
    1,278,411.55x = 1,764,307.51 × 734,737.01
  4. Step 4: Simplify right side
    1,278,411.55x = 1,296,302,013,959.57
  5. Step 5: Solve for x
    x = 1,296,302,013,959.57/1,278,411.55
  6. Step 6: Final answer
    x = 1,013,994.29

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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.