Home / 1,007,737.20-1,390,574.16-620,491.20

Finding the Fourth Proportional to 1,007,737.20, 1,390,574.16 and 620,491.20

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Solution

The fourth proportional to 1,007,737.20, 1,390,574.16 and 620,491.20 is: 856,214.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,737.20 : 1,390,574.16 = 620,491.20 : x
  2. Step 2: Convert to fraction form
    1,007,737.20/1,390,574.16 = 620,491.20/x
  3. Step 3: Cross multiply
    1,007,737.20x = 1,390,574.16 × 620,491.20
  4. Step 4: Simplify right side
    1,007,737.20x = 862,839,029,227.39
  5. Step 5: Solve for x
    x = 862,839,029,227.39/1,007,737.20
  6. Step 6: Final answer
    x = 856,214.33

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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.