Home / 1,357,908.30-2,036,862.45-611,412.30

Finding the Fourth Proportional to 1,357,908.30, 2,036,862.45 and 611,412.30

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Solution

The fourth proportional to 1,357,908.30, 2,036,862.45 and 611,412.30 is: 917,118.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,908.30 : 2,036,862.45 = 611,412.30 : x
  2. Step 2: Convert to fraction form
    1,357,908.30/2,036,862.45 = 611,412.30/x
  3. Step 3: Cross multiply
    1,357,908.30x = 2,036,862.45 × 611,412.30
  4. Step 4: Simplify right side
    1,357,908.30x = 1,245,362,755,338.14
  5. Step 5: Solve for x
    x = 1,245,362,755,338.14/1,357,908.30
  6. Step 6: Final answer
    x = 917,118.45

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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.