Home / 1,587,206.07-2,190,370.55-862,054.34

Finding the Fourth Proportional to 1,587,206.07, 2,190,370.55 and 862,054.34

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Solution

The fourth proportional to 1,587,206.07, 2,190,370.55 and 862,054.34 is: 1,189,649.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,206.07 : 2,190,370.55 = 862,054.34 : x
  2. Step 2: Convert to fraction form
    1,587,206.07/2,190,370.55 = 862,054.34/x
  3. Step 3: Cross multiply
    1,587,206.07x = 2,190,370.55 × 862,054.34
  4. Step 4: Simplify right side
    1,587,206.07x = 1,888,218,423,573.56
  5. Step 5: Solve for x
    x = 1,888,218,423,573.56/1,587,206.07
  6. Step 6: Final answer
    x = 1,189,649.20

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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.