Home / 1,665,666.63-2,298,620.72-901,720.19

Finding the Fourth Proportional to 1,665,666.63, 2,298,620.72 and 901,720.19

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Solution

The fourth proportional to 1,665,666.63, 2,298,620.72 and 901,720.19 is: 1,244,374.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,666.63 : 2,298,620.72 = 901,720.19 : x
  2. Step 2: Convert to fraction form
    1,665,666.63/2,298,620.72 = 901,720.19/x
  3. Step 3: Cross multiply
    1,665,666.63x = 2,298,620.72 × 901,720.19
  4. Step 4: Simplify right side
    1,665,666.63x = 2,072,712,712,376.34
  5. Step 5: Solve for x
    x = 2,072,712,712,376.34/1,665,666.63
  6. Step 6: Final answer
    x = 1,244,374.28

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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.