Home / 1,535,366.33-2,118,120.40-890,412.74

Finding the Fourth Proportional to 1,535,366.33, 2,118,120.40 and 890,412.74

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Solution

The fourth proportional to 1,535,366.33, 2,118,120.40 and 890,412.74 is: 1,228,372.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535,366.33 : 2,118,120.40 = 890,412.74 : x
  2. Step 2: Convert to fraction form
    1,535,366.33/2,118,120.40 = 890,412.74/x
  3. Step 3: Cross multiply
    1,535,366.33x = 2,118,120.40 × 890,412.74
  4. Step 4: Simplify right side
    1,535,366.33x = 1,886,001,389,013.90
  5. Step 5: Solve for x
    x = 1,886,001,389,013.90/1,535,366.33
  6. Step 6: Final answer
    x = 1,228,372.25

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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.