Home / 1,878,999.60-2,818,485.90-459,042.60

Finding the Fourth Proportional to 1,878,999.60, 2,818,485.90 and 459,042.60

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Solution

The fourth proportional to 1,878,999.60, 2,818,485.90 and 459,042.60 is: 688,560.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,878,999.60 : 2,818,485.90 = 459,042.60 : x
  2. Step 2: Convert to fraction form
    1,878,999.60/2,818,485.90 = 459,042.60/x
  3. Step 3: Cross multiply
    1,878,999.60x = 2,818,485.90 × 459,042.60
  4. Step 4: Simplify right side
    1,878,999.60x = 1,293,805,095,599.34
  5. Step 5: Solve for x
    x = 1,293,805,095,599.34/1,878,999.60
  6. Step 6: Final answer
    x = 688,560.60

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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.