Home / 1,812,807.74-2,716,762.10-690,264.38

Finding the Fourth Proportional to 1,812,807.74, 2,716,762.10 and 690,264.38

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Solution

The fourth proportional to 1,812,807.74, 2,716,762.10 and 690,264.38 is: 1,034,463.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812,807.74 : 2,716,762.10 = 690,264.38 : x
  2. Step 2: Convert to fraction form
    1,812,807.74/2,716,762.10 = 690,264.38/x
  3. Step 3: Cross multiply
    1,812,807.74x = 2,716,762.10 × 690,264.38
  4. Step 4: Simplify right side
    1,812,807.74x = 1,875,284,106,564.00
  5. Step 5: Solve for x
    x = 1,875,284,106,564.00/1,812,807.74
  6. Step 6: Final answer
    x = 1,034,463.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.