Home / 1,186,709.02-1,637,255.60-670,387.48

Finding the Fourth Proportional to 1,186,709.02, 1,637,255.60 and 670,387.48

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Solution

The fourth proportional to 1,186,709.02, 1,637,255.60 and 670,387.48 is: 924,907.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,709.02 : 1,637,255.60 = 670,387.48 : x
  2. Step 2: Convert to fraction form
    1,186,709.02/1,637,255.60 = 670,387.48/x
  3. Step 3: Cross multiply
    1,186,709.02x = 1,637,255.60 × 670,387.48
  4. Step 4: Simplify right side
    1,186,709.02x = 1,097,595,655,799.89
  5. Step 5: Solve for x
    x = 1,097,595,655,799.89/1,186,709.02
  6. Step 6: Final answer
    x = 924,907.15

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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.