Home / 1,346,870.30-2,020,674.50-672,137.06

Finding the Fourth Proportional to 1,346,870.30, 2,020,674.50 and 672,137.06

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Solution

The fourth proportional to 1,346,870.30, 2,020,674.50 and 672,137.06 is: 1,008,389.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,870.30 : 2,020,674.50 = 672,137.06 : x
  2. Step 2: Convert to fraction form
    1,346,870.30/2,020,674.50 = 672,137.06/x
  3. Step 3: Cross multiply
    1,346,870.30x = 2,020,674.50 × 672,137.06
  4. Step 4: Simplify right side
    1,346,870.30x = 1,358,170,206,703.43
  5. Step 5: Solve for x
    x = 1,358,170,206,703.43/1,346,870.30
  6. Step 6: Final answer
    x = 1,008,389.75

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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.