Home / 1,160,280.81-1,601,162.73-644,004.63

Finding the Fourth Proportional to 1,160,280.81, 1,601,162.73 and 644,004.63

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Solution

The fourth proportional to 1,160,280.81, 1,601,162.73 and 644,004.63 is: 888,712.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,160,280.81 : 1,601,162.73 = 644,004.63 : x
  2. Step 2: Convert to fraction form
    1,160,280.81/1,601,162.73 = 644,004.63/x
  3. Step 3: Cross multiply
    1,160,280.81x = 1,601,162.73 × 644,004.63
  4. Step 4: Simplify right side
    1,160,280.81x = 1,031,156,211,503.44
  5. Step 5: Solve for x
    x = 1,031,156,211,503.44/1,160,280.81
  6. Step 6: Final answer
    x = 888,712.63

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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.