Home / 1,455,967.57-2,009,146.83-802,564.96

Finding the Fourth Proportional to 1,455,967.57, 2,009,146.83 and 802,564.96

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Solution

The fourth proportional to 1,455,967.57, 2,009,146.83 and 802,564.96 is: 1,107,490.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,967.57 : 2,009,146.83 = 802,564.96 : x
  2. Step 2: Convert to fraction form
    1,455,967.57/2,009,146.83 = 802,564.96/x
  3. Step 3: Cross multiply
    1,455,967.57x = 2,009,146.83 × 802,564.96
  4. Step 4: Simplify right side
    1,455,967.57x = 1,612,470,845,253.08
  5. Step 5: Solve for x
    x = 1,612,470,845,253.08/1,455,967.57
  6. Step 6: Final answer
    x = 1,107,490.91

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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.