Home / 1,803,164.12-2,488,425.74-987,402.04

Finding the Fourth Proportional to 1,803,164.12, 2,488,425.74 and 987,402.04

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Solution

The fourth proportional to 1,803,164.12, 2,488,425.74 and 987,402.04 is: 1,362,647.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,803,164.12 : 2,488,425.74 = 987,402.04 : x
  2. Step 2: Convert to fraction form
    1,803,164.12/2,488,425.74 = 987,402.04/x
  3. Step 3: Cross multiply
    1,803,164.12x = 2,488,425.74 × 987,402.04
  4. Step 4: Simplify right side
    1,803,164.12x = 2,457,076,652,064.51
  5. Step 5: Solve for x
    x = 2,457,076,652,064.51/1,803,164.12
  6. Step 6: Final answer
    x = 1,362,647.26

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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.