Home / 1,210,554.40-1,815,637.20-368,910.40

Finding the Fourth Proportional to 1,210,554.40, 1,815,637.20 and 368,910.40

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Solution

The fourth proportional to 1,210,554.40, 1,815,637.20 and 368,910.40 is: 553,306.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,554.40 : 1,815,637.20 = 368,910.40 : x
  2. Step 2: Convert to fraction form
    1,210,554.40/1,815,637.20 = 368,910.40/x
  3. Step 3: Cross multiply
    1,210,554.40x = 1,815,637.20 × 368,910.40
  4. Step 4: Simplify right side
    1,210,554.40x = 669,807,445,706.88
  5. Step 5: Solve for x
    x = 669,807,445,706.88/1,210,554.40
  6. Step 6: Final answer
    x = 553,306.36

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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.