Home / 1,512,699.79-2,087,464.93-824,356.88

Finding the Fourth Proportional to 1,512,699.79, 2,087,464.93 and 824,356.88

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Solution

The fourth proportional to 1,512,699.79, 2,087,464.93 and 824,356.88 is: 1,137,579.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,699.79 : 2,087,464.93 = 824,356.88 : x
  2. Step 2: Convert to fraction form
    1,512,699.79/2,087,464.93 = 824,356.88/x
  3. Step 3: Cross multiply
    1,512,699.79x = 2,087,464.93 × 824,356.88
  4. Step 4: Simplify right side
    1,512,699.79x = 1,720,816,076,804.22
  5. Step 5: Solve for x
    x = 1,720,816,076,804.22/1,512,699.79
  6. Step 6: Final answer
    x = 1,137,579.37

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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.