Home / 1,234,978.49-1,852,208.53-348,307.13

Finding the Fourth Proportional to 1,234,978.49, 1,852,208.53 and 348,307.13

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Solution

The fourth proportional to 1,234,978.49, 1,852,208.53 and 348,307.13 is: 522,387.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,978.49 : 1,852,208.53 = 348,307.13 : x
  2. Step 2: Convert to fraction form
    1,234,978.49/1,852,208.53 = 348,307.13/x
  3. Step 3: Cross multiply
    1,234,978.49x = 1,852,208.53 × 348,307.13
  4. Step 4: Simplify right side
    1,234,978.49x = 645,137,427,114.01
  5. Step 5: Solve for x
    x = 645,137,427,114.01/1,234,978.49
  6. Step 6: Final answer
    x = 522,387.58

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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.