Home / 1,320,537.52-1,822,341.76-716,925.52

Finding the Fourth Proportional to 1,320,537.52, 1,822,341.76 and 716,925.52

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Solution

The fourth proportional to 1,320,537.52, 1,822,341.76 and 716,925.52 is: 989,357.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,537.52 : 1,822,341.76 = 716,925.52 : x
  2. Step 2: Convert to fraction form
    1,320,537.52/1,822,341.76 = 716,925.52/x
  3. Step 3: Cross multiply
    1,320,537.52x = 1,822,341.76 × 716,925.52
  4. Step 4: Simplify right side
    1,320,537.52x = 1,306,483,313,905.72
  5. Step 5: Solve for x
    x = 1,306,483,313,905.72/1,320,537.52
  6. Step 6: Final answer
    x = 989,357.21

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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.