Home / 1,488,007.70-2,232,011.55-890,810.90

Finding the Fourth Proportional to 1,488,007.70, 2,232,011.55 and 890,810.90

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Solution

The fourth proportional to 1,488,007.70, 2,232,011.55 and 890,810.90 is: 1,336,216.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,007.70 : 2,232,011.55 = 890,810.90 : x
  2. Step 2: Convert to fraction form
    1,488,007.70/2,232,011.55 = 890,810.90/x
  3. Step 3: Cross multiply
    1,488,007.70x = 2,232,011.55 × 890,810.90
  4. Step 4: Simplify right side
    1,488,007.70x = 1,988,300,217,665.89
  5. Step 5: Solve for x
    x = 1,988,300,217,665.89/1,488,007.70
  6. Step 6: Final answer
    x = 1,336,216.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.