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Finding the Fourth Proportional to 1,402,583.01, 1,935,564.96 and 798,971.01

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Solution

The fourth proportional to 1,402,583.01, 1,935,564.96 and 798,971.01 is: 1,102,580.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,583.01 : 1,935,564.96 = 798,971.01 : x
  2. Step 2: Convert to fraction form
    1,402,583.01/1,935,564.96 = 798,971.01/x
  3. Step 3: Cross multiply
    1,402,583.01x = 1,935,564.96 × 798,971.01
  4. Step 4: Simplify right side
    1,402,583.01x = 1,546,460,291,011.81
  5. Step 5: Solve for x
    x = 1,546,460,291,011.81/1,402,583.01
  6. Step 6: Final answer
    x = 1,102,580.23

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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.