Home / 1,470,700.48-2,206,177.80-405,742.53

Finding the Fourth Proportional to 1,470,700.48, 2,206,177.80 and 405,742.53

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Solution

The fourth proportional to 1,470,700.48, 2,206,177.80 and 405,742.53 is: 608,648.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470,700.48 : 2,206,177.80 = 405,742.53 : x
  2. Step 2: Convert to fraction form
    1,470,700.48/2,206,177.80 = 405,742.53/x
  3. Step 3: Cross multiply
    1,470,700.48x = 2,206,177.80 × 405,742.53
  4. Step 4: Simplify right side
    1,470,700.48x = 895,140,168,953.47
  5. Step 5: Solve for x
    x = 895,140,168,953.47/1,470,700.48
  6. Step 6: Final answer
    x = 608,648.86

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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.