Home / 1,073,210.20-1,609,815.30-805,521.40

Finding the Fourth Proportional to 1,073,210.20, 1,609,815.30 and 805,521.40

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Solution

The fourth proportional to 1,073,210.20, 1,609,815.30 and 805,521.40 is: 1,208,282.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,210.20 : 1,609,815.30 = 805,521.40 : x
  2. Step 2: Convert to fraction form
    1,073,210.20/1,609,815.30 = 805,521.40/x
  3. Step 3: Cross multiply
    1,073,210.20x = 1,609,815.30 × 805,521.40
  4. Step 4: Simplify right side
    1,073,210.20x = 1,296,740,674,197.42
  5. Step 5: Solve for x
    x = 1,296,740,674,197.42/1,073,210.20
  6. Step 6: Final answer
    x = 1,208,282.10

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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.