Home / 1,578,603.80-2,367,905.70-906,757.40

Finding the Fourth Proportional to 1,578,603.80, 2,367,905.70 and 906,757.40

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Solution

The fourth proportional to 1,578,603.80, 2,367,905.70 and 906,757.40 is: 1,360,136.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578,603.80 : 2,367,905.70 = 906,757.40 : x
  2. Step 2: Convert to fraction form
    1,578,603.80/2,367,905.70 = 906,757.40/x
  3. Step 3: Cross multiply
    1,578,603.80x = 2,367,905.70 × 906,757.40
  4. Step 4: Simplify right side
    1,578,603.80x = 2,147,116,015,977.18
  5. Step 5: Solve for x
    x = 2,147,116,015,977.18/1,578,603.80
  6. Step 6: Final answer
    x = 1,360,136.10

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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.