Home / 1,580,336.71-2,180,870.40-855,184.34

Finding the Fourth Proportional to 1,580,336.71, 2,180,870.40 and 855,184.34

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Solution

The fourth proportional to 1,580,336.71, 2,180,870.40 and 855,184.34 is: 1,180,157.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,336.71 : 2,180,870.40 = 855,184.34 : x
  2. Step 2: Convert to fraction form
    1,580,336.71/2,180,870.40 = 855,184.34/x
  3. Step 3: Cross multiply
    1,580,336.71x = 2,180,870.40 × 855,184.34
  4. Step 4: Simplify right side
    1,580,336.71x = 1,865,046,209,373.61
  5. Step 5: Solve for x
    x = 1,865,046,209,373.61/1,580,336.71
  6. Step 6: Final answer
    x = 1,180,157.50

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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.