Home / 1,210,052.80-1,815,079.20-368,603.20

Finding the Fourth Proportional to 1,210,052.80, 1,815,079.20 and 368,603.20

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Solution

The fourth proportional to 1,210,052.80, 1,815,079.20 and 368,603.20 is: 552,904.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,052.80 : 1,815,079.20 = 368,603.20 : x
  2. Step 2: Convert to fraction form
    1,210,052.80/1,815,079.20 = 368,603.20/x
  3. Step 3: Cross multiply
    1,210,052.80x = 1,815,079.20 × 368,603.20
  4. Step 4: Simplify right side
    1,210,052.80x = 669,044,001,373.44
  5. Step 5: Solve for x
    x = 669,044,001,373.44/1,210,052.80
  6. Step 6: Final answer
    x = 552,904.80

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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.