Home / 1,570,005.20-2,166,483.66-890,941.70

Finding the Fourth Proportional to 1,570,005.20, 2,166,483.66 and 890,941.70

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Solution

The fourth proportional to 1,570,005.20, 2,166,483.66 and 890,941.70 is: 1,229,429.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570,005.20 : 2,166,483.66 = 890,941.70 : x
  2. Step 2: Convert to fraction form
    1,570,005.20/2,166,483.66 = 890,941.70/x
  3. Step 3: Cross multiply
    1,570,005.20x = 2,166,483.66 × 890,941.70
  4. Step 4: Simplify right side
    1,570,005.20x = 1,930,210,635,062.62
  5. Step 5: Solve for x
    x = 1,930,210,635,062.62/1,570,005.20
  6. Step 6: Final answer
    x = 1,229,429.45

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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.