Home / 1,333,389.65-1,840,088.84-782,434.81

Finding the Fourth Proportional to 1,333,389.65, 1,840,088.84 and 782,434.81

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Solution

The fourth proportional to 1,333,389.65, 1,840,088.84 and 782,434.81 is: 1,079,766.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,389.65 : 1,840,088.84 = 782,434.81 : x
  2. Step 2: Convert to fraction form
    1,333,389.65/1,840,088.84 = 782,434.81/x
  3. Step 3: Cross multiply
    1,333,389.65x = 1,840,088.84 × 782,434.81
  4. Step 4: Simplify right side
    1,333,389.65x = 1,439,749,554,664.16
  5. Step 5: Solve for x
    x = 1,439,749,554,664.16/1,333,389.65
  6. Step 6: Final answer
    x = 1,079,766.56

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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.