Home / 1,587,477.08-2,190,734.70-862,339.16

Finding the Fourth Proportional to 1,587,477.08, 2,190,734.70 and 862,339.16

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Solution

The fourth proportional to 1,587,477.08, 2,190,734.70 and 862,339.16 is: 1,190,036.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,477.08 : 2,190,734.70 = 862,339.16 : x
  2. Step 2: Convert to fraction form
    1,587,477.08/2,190,734.70 = 862,339.16/x
  3. Step 3: Cross multiply
    1,587,477.08x = 2,190,734.70 × 862,339.16
  4. Step 4: Simplify right side
    1,587,477.08x = 1,889,156,320,980.85
  5. Step 5: Solve for x
    x = 1,889,156,320,980.85/1,587,477.08
  6. Step 6: Final answer
    x = 1,190,036.91

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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.