Home / 1,206,345.40-1,808,366.10-447,983.80

Finding the Fourth Proportional to 1,206,345.40, 1,808,366.10 and 447,983.80

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Solution

The fourth proportional to 1,206,345.40, 1,808,366.10 and 447,983.80 is: 671,547.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,345.40 : 1,808,366.10 = 447,983.80 : x
  2. Step 2: Convert to fraction form
    1,206,345.40/1,808,366.10 = 447,983.80/x
  3. Step 3: Cross multiply
    1,206,345.40x = 1,808,366.10 × 447,983.80
  4. Step 4: Simplify right side
    1,206,345.40x = 810,118,717,269.18
  5. Step 5: Solve for x
    x = 810,118,717,269.18/1,206,345.40
  6. Step 6: Final answer
    x = 671,547.90

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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.