Home / 1,989,766.49-2,985,280.52-710,346.11

Finding the Fourth Proportional to 1,989,766.49, 2,985,280.52 and 710,346.11

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Solution

The fourth proportional to 1,989,766.49, 2,985,280.52 and 710,346.11 is: 1,065,744.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,766.49 : 2,985,280.52 = 710,346.11 : x
  2. Step 2: Convert to fraction form
    1,989,766.49/2,985,280.52 = 710,346.11/x
  3. Step 3: Cross multiply
    1,989,766.49x = 2,985,280.52 × 710,346.11
  4. Step 4: Simplify right side
    1,989,766.49x = 2,120,582,386,162.64
  5. Step 5: Solve for x
    x = 2,120,582,386,162.64/1,989,766.49
  6. Step 6: Final answer
    x = 1,065,744.35

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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.