Home / 1,580,412.84-2,180,976.36-855,260.59

Finding the Fourth Proportional to 1,580,412.84, 2,180,976.36 and 855,260.59

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Solution

The fourth proportional to 1,580,412.84, 2,180,976.36 and 855,260.59 is: 1,180,263.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,412.84 : 2,180,976.36 = 855,260.59 : x
  2. Step 2: Convert to fraction form
    1,580,412.84/2,180,976.36 = 855,260.59/x
  3. Step 3: Cross multiply
    1,580,412.84x = 2,180,976.36 × 855,260.59
  4. Step 4: Simplify right side
    1,580,412.84x = 1,865,303,127,307.05
  5. Step 5: Solve for x
    x = 1,865,303,127,307.05/1,580,412.84
  6. Step 6: Final answer
    x = 1,180,263.21

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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.