Home / 1,147,602.20-1,721,468.10-348,909.80

Finding the Fourth Proportional to 1,147,602.20, 1,721,468.10 and 348,909.80

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Solution

The fourth proportional to 1,147,602.20, 1,721,468.10 and 348,909.80 is: 523,384.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,602.20 : 1,721,468.10 = 348,909.80 : x
  2. Step 2: Convert to fraction form
    1,147,602.20/1,721,468.10 = 348,909.80/x
  3. Step 3: Cross multiply
    1,147,602.20x = 1,721,468.10 × 348,909.80
  4. Step 4: Simplify right side
    1,147,602.20x = 600,637,090,477.38
  5. Step 5: Solve for x
    x = 600,637,090,477.38/1,147,602.20
  6. Step 6: Final answer
    x = 523,384.40

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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.