Home / 1,345,868.90-1,856,830.08-862,700.46

Finding the Fourth Proportional to 1,345,868.90, 1,856,830.08 and 862,700.46

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Solution

The fourth proportional to 1,345,868.90, 1,856,830.08 and 862,700.46 is: 1,190,226.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,868.90 : 1,856,830.08 = 862,700.46 : x
  2. Step 2: Convert to fraction form
    1,345,868.90/1,856,830.08 = 862,700.46/x
  3. Step 3: Cross multiply
    1,345,868.90x = 1,856,830.08 × 862,700.46
  4. Step 4: Simplify right side
    1,345,868.90x = 1,601,888,164,157.84
  5. Step 5: Solve for x
    x = 1,601,888,164,157.84/1,345,868.90
  6. Step 6: Final answer
    x = 1,190,226.01

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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.