Home / 1,430,545.80-2,145,390.68-470,824.24

Finding the Fourth Proportional to 1,430,545.80, 2,145,390.68 and 470,824.24

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Solution

The fourth proportional to 1,430,545.80, 2,145,390.68 and 470,824.24 is: 706,095.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,545.80 : 2,145,390.68 = 470,824.24 : x
  2. Step 2: Convert to fraction form
    1,430,545.80/2,145,390.68 = 470,824.24/x
  3. Step 3: Cross multiply
    1,430,545.80x = 2,145,390.68 × 470,824.24
  4. Step 4: Simplify right side
    1,430,545.80x = 1,010,101,936,414.08
  5. Step 5: Solve for x
    x = 1,010,101,936,414.08/1,430,545.80
  6. Step 6: Final answer
    x = 706,095.49

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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.