Home / 1,507,407.90-2,080,402.56-863,035.08

Finding the Fourth Proportional to 1,507,407.90, 2,080,402.56 and 863,035.08

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Solution

The fourth proportional to 1,507,407.90, 2,080,402.56 and 863,035.08 is: 1,191,091.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,407.90 : 2,080,402.56 = 863,035.08 : x
  2. Step 2: Convert to fraction form
    1,507,407.90/2,080,402.56 = 863,035.08/x
  3. Step 3: Cross multiply
    1,507,407.90x = 2,080,402.56 × 863,035.08
  4. Step 4: Simplify right side
    1,507,407.90x = 1,795,460,389,801.80
  5. Step 5: Solve for x
    x = 1,795,460,389,801.80/1,507,407.90
  6. Step 6: Final answer
    x = 1,191,091.27

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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.