Home / 1,345,856.49-2,019,084.80-386,237.29

Finding the Fourth Proportional to 1,345,856.49, 2,019,084.80 and 386,237.29

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Solution

The fourth proportional to 1,345,856.49, 2,019,084.80 and 386,237.29 is: 579,442.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,856.49 : 2,019,084.80 = 386,237.29 : x
  2. Step 2: Convert to fraction form
    1,345,856.49/2,019,084.80 = 386,237.29/x
  3. Step 3: Cross multiply
    1,345,856.49x = 2,019,084.80 × 386,237.29
  4. Step 4: Simplify right side
    1,345,856.49x = 779,845,841,432.19
  5. Step 5: Solve for x
    x = 779,845,841,432.19/1,345,856.49
  6. Step 6: Final answer
    x = 579,442.05

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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.