Home / 1,604,721.76-2,214,742.86-993,071.50

Finding the Fourth Proportional to 1,604,721.76, 2,214,742.86 and 993,071.50

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Solution

The fourth proportional to 1,604,721.76, 2,214,742.86 and 993,071.50 is: 1,370,579.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,604,721.76 : 2,214,742.86 = 993,071.50 : x
  2. Step 2: Convert to fraction form
    1,604,721.76/2,214,742.86 = 993,071.50/x
  3. Step 3: Cross multiply
    1,604,721.76x = 2,214,742.86 × 993,071.50
  4. Step 4: Simplify right side
    1,604,721.76x = 2,199,398,014,094.49
  5. Step 5: Solve for x
    x = 2,199,398,014,094.49/1,604,721.76
  6. Step 6: Final answer
    x = 1,370,579.04

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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.