Home / 1,270,666.08-1,906,349.04-429,808.32

Finding the Fourth Proportional to 1,270,666.08, 1,906,349.04 and 429,808.32

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Solution

The fourth proportional to 1,270,666.08, 1,906,349.04 and 429,808.32 is: 644,830.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,666.08 : 1,906,349.04 = 429,808.32 : x
  2. Step 2: Convert to fraction form
    1,270,666.08/1,906,349.04 = 429,808.32/x
  3. Step 3: Cross multiply
    1,270,666.08x = 1,906,349.04 × 429,808.32
  4. Step 4: Simplify right side
    1,270,666.08x = 819,364,678,216.01
  5. Step 5: Solve for x
    x = 819,364,678,216.01/1,270,666.08
  6. Step 6: Final answer
    x = 644,830.84

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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.