Home / 1,620,306.48-2,428,957.20-555,095.40

Finding the Fourth Proportional to 1,620,306.48, 2,428,957.20 and 555,095.40

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Solution

The fourth proportional to 1,620,306.48, 2,428,957.20 and 555,095.40 is: 832,128.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,306.48 : 2,428,957.20 = 555,095.40 : x
  2. Step 2: Convert to fraction form
    1,620,306.48/2,428,957.20 = 555,095.40/x
  3. Step 3: Cross multiply
    1,620,306.48x = 2,428,957.20 × 555,095.40
  4. Step 4: Simplify right side
    1,620,306.48x = 1,348,302,968,516.88
  5. Step 5: Solve for x
    x = 1,348,302,968,516.88/1,620,306.48
  6. Step 6: Final answer
    x = 832,128.36

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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.