Home / 972,511.54-1,342,083.15-536,980.05

Finding the Fourth Proportional to 972,511.54, 1,342,083.15 and 536,980.05

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Solution

The fourth proportional to 972,511.54, 1,342,083.15 and 536,980.05 is: 741,041.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,511.54 : 1,342,083.15 = 536,980.05 : x
  2. Step 2: Convert to fraction form
    972,511.54/1,342,083.15 = 536,980.05/x
  3. Step 3: Cross multiply
    972,511.54x = 1,342,083.15 × 536,980.05
  4. Step 4: Simplify right side
    972,511.54x = 720,671,876,991.16
  5. Step 5: Solve for x
    x = 720,671,876,991.16/972,511.54
  6. Step 6: Final answer
    x = 741,041.98

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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.