Home / 1,087,158.12-1,500,036.62-657,429.09

Finding the Fourth Proportional to 1,087,158.12, 1,500,036.62 and 657,429.09

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Solution

The fourth proportional to 1,087,158.12, 1,500,036.62 and 657,429.09 is: 907,106.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,158.12 : 1,500,036.62 = 657,429.09 : x
  2. Step 2: Convert to fraction form
    1,087,158.12/1,500,036.62 = 657,429.09/x
  3. Step 3: Cross multiply
    1,087,158.12x = 1,500,036.62 × 657,429.09
  4. Step 4: Simplify right side
    1,087,158.12x = 986,167,706,766.13
  5. Step 5: Solve for x
    x = 986,167,706,766.13/1,087,158.12
  6. Step 6: Final answer
    x = 907,106.05

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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.