Home / 1,159,710.39-1,600,488-643,562.01

Finding the Fourth Proportional to 1,159,710.39, 1,600,488 and 643,562.01

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Solution

The fourth proportional to 1,159,710.39, 1,600,488 and 643,562.01 is: 888,164.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,710.39 : 1,600,488 = 643,562.01 : x
  2. Step 2: Convert to fraction form
    1,159,710.39/1,600,488 = 643,562.01/x
  3. Step 3: Cross multiply
    1,159,710.39x = 1,600,488 × 643,562.01
  4. Step 4: Simplify right side
    1,159,710.39x = 1,030,013,274,260.88
  5. Step 5: Solve for x
    x = 1,030,013,274,260.88/1,159,710.39
  6. Step 6: Final answer
    x = 888,164.22

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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.