Home / 1,070,782.19-1,606,000.95-312,445.61

Finding the Fourth Proportional to 1,070,782.19, 1,606,000.95 and 312,445.61

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Solution

The fourth proportional to 1,070,782.19, 1,606,000.95 and 312,445.61 is: 468,618.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,782.19 : 1,606,000.95 = 312,445.61 : x
  2. Step 2: Convert to fraction form
    1,070,782.19/1,606,000.95 = 312,445.61/x
  3. Step 3: Cross multiply
    1,070,782.19x = 1,606,000.95 × 312,445.61
  4. Step 4: Simplify right side
    1,070,782.19x = 501,787,946,483.33
  5. Step 5: Solve for x
    x = 501,787,946,483.33/1,070,782.19
  6. Step 6: Final answer
    x = 468,618.13

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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.