Home / 1,087,566.70-1,628,124.45-808,321.90

Finding the Fourth Proportional to 1,087,566.70, 1,628,124.45 and 808,321.90

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Solution

The fourth proportional to 1,087,566.70, 1,628,124.45 and 808,321.90 is: 1,210,085.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,566.70 : 1,628,124.45 = 808,321.90 : x
  2. Step 2: Convert to fraction form
    1,087,566.70/1,628,124.45 = 808,321.90/x
  3. Step 3: Cross multiply
    1,087,566.70x = 1,628,124.45 × 808,321.90
  4. Step 4: Simplify right side
    1,087,566.70x = 1,316,048,648,860.46
  5. Step 5: Solve for x
    x = 1,316,048,648,860.46/1,087,566.70
  6. Step 6: Final answer
    x = 1,210,085.46

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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.