Home / 1,272,483.52-1,908,675.44-431,035.26

Finding the Fourth Proportional to 1,272,483.52, 1,908,675.44 and 431,035.26

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Solution

The fourth proportional to 1,272,483.52, 1,908,675.44 and 431,035.26 is: 646,536.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,483.52 : 1,908,675.44 = 431,035.26 : x
  2. Step 2: Convert to fraction form
    1,272,483.52/1,908,675.44 = 431,035.26/x
  3. Step 3: Cross multiply
    1,272,483.52x = 1,908,675.44 × 431,035.26
  4. Step 4: Simplify right side
    1,272,483.52x = 822,706,414,536.01
  5. Step 5: Solve for x
    x = 822,706,414,536.01/1,272,483.52
  6. Step 6: Final answer
    x = 646,536.01

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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.