Home / 1,587,311.04-2,190,505.32-862,172.94

Finding the Fourth Proportional to 1,587,311.04, 2,190,505.32 and 862,172.94

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Solution

The fourth proportional to 1,587,311.04, 2,190,505.32 and 862,172.94 is: 1,189,807.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,311.04 : 2,190,505.32 = 862,172.94 : x
  2. Step 2: Convert to fraction form
    1,587,311.04/2,190,505.32 = 862,172.94/x
  3. Step 3: Cross multiply
    1,587,311.04x = 2,190,505.32 × 862,172.94
  4. Step 4: Simplify right side
    1,587,311.04x = 1,888,594,411,830.04
  5. Step 5: Solve for x
    x = 1,888,594,411,830.04/1,587,311.04
  6. Step 6: Final answer
    x = 1,189,807.39

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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.