Home / 1,295,616.80-1,943,425.20-397,051.40

Finding the Fourth Proportional to 1,295,616.80, 1,943,425.20 and 397,051.40

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Solution

The fourth proportional to 1,295,616.80, 1,943,425.20 and 397,051.40 is: 595,577.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,616.80 : 1,943,425.20 = 397,051.40 : x
  2. Step 2: Convert to fraction form
    1,295,616.80/1,943,425.20 = 397,051.40/x
  3. Step 3: Cross multiply
    1,295,616.80x = 1,943,425.20 × 397,051.40
  4. Step 4: Simplify right side
    1,295,616.80x = 771,639,696,455.28
  5. Step 5: Solve for x
    x = 771,639,696,455.28/1,295,616.80
  6. Step 6: Final answer
    x = 595,577.10

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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.