Home / 1,501,863.84-2,072,582.05-813,535.69

Finding the Fourth Proportional to 1,501,863.84, 2,072,582.05 and 813,535.69

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Solution

The fourth proportional to 1,501,863.84, 2,072,582.05 and 813,535.69 is: 1,122,684.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,501,863.84 : 2,072,582.05 = 813,535.69 : x
  2. Step 2: Convert to fraction form
    1,501,863.84/2,072,582.05 = 813,535.69/x
  3. Step 3: Cross multiply
    1,501,863.84x = 2,072,582.05 × 813,535.69
  4. Step 4: Simplify right side
    1,501,863.84x = 1,686,119,470,162.20
  5. Step 5: Solve for x
    x = 1,686,119,470,162.20/1,501,863.84
  6. Step 6: Final answer
    x = 1,122,684.64

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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.