Home / 1,958,579.04-2,702,859.12-1,087,428

Finding the Fourth Proportional to 1,958,579.04, 2,702,859.12 and 1,087,428

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Solution

The fourth proportional to 1,958,579.04, 2,702,859.12 and 1,087,428 is: 1,500,661.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,958,579.04 : 2,702,859.12 = 1,087,428 : x
  2. Step 2: Convert to fraction form
    1,958,579.04/2,702,859.12 = 1,087,428/x
  3. Step 3: Cross multiply
    1,958,579.04x = 2,702,859.12 × 1,087,428
  4. Step 4: Simplify right side
    1,958,579.04x = 2,939,164,687,143.36
  5. Step 5: Solve for x
    x = 2,939,164,687,143.36/1,958,579.04
  6. Step 6: Final answer
    x = 1,500,661.77

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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.