Home / 1,076,675.55-1,485,345.41-640,848.50

Finding the Fourth Proportional to 1,076,675.55, 1,485,345.41 and 640,848.50

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Solution

The fourth proportional to 1,076,675.55, 1,485,345.41 and 640,848.50 is: 884,093.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,675.55 : 1,485,345.41 = 640,848.50 : x
  2. Step 2: Convert to fraction form
    1,076,675.55/1,485,345.41 = 640,848.50/x
  3. Step 3: Cross multiply
    1,076,675.55x = 1,485,345.41 × 640,848.50
  4. Step 4: Simplify right side
    1,076,675.55x = 951,881,377,980.39
  5. Step 5: Solve for x
    x = 951,881,377,980.39/1,076,675.55
  6. Step 6: Final answer
    x = 884,093.06

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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.