Home / 1,192,031.02-1,645,010.54-648,172.72

Finding the Fourth Proportional to 1,192,031.02, 1,645,010.54 and 648,172.72

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Solution

The fourth proportional to 1,192,031.02, 1,645,010.54 and 648,172.72 is: 894,482.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,031.02 : 1,645,010.54 = 648,172.72 : x
  2. Step 2: Convert to fraction form
    1,192,031.02/1,645,010.54 = 648,172.72/x
  3. Step 3: Cross multiply
    1,192,031.02x = 1,645,010.54 × 648,172.72
  4. Step 4: Simplify right side
    1,192,031.02x = 1,066,250,956,140.47
  5. Step 5: Solve for x
    x = 1,066,250,956,140.47/1,192,031.02
  6. Step 6: Final answer
    x = 894,482.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.