Home / 1,055,887.68-1,457,015.88-648,006.72

Finding the Fourth Proportional to 1,055,887.68, 1,457,015.88 and 648,006.72

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Solution

The fourth proportional to 1,055,887.68, 1,457,015.88 and 648,006.72 is: 894,182.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,887.68 : 1,457,015.88 = 648,006.72 : x
  2. Step 2: Convert to fraction form
    1,055,887.68/1,457,015.88 = 648,006.72/x
  3. Step 3: Cross multiply
    1,055,887.68x = 1,457,015.88 × 648,006.72
  4. Step 4: Simplify right side
    1,055,887.68x = 944,156,081,386.71
  5. Step 5: Solve for x
    x = 944,156,081,386.71/1,055,887.68
  6. Step 6: Final answer
    x = 894,182.31

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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.