Home / 1,123,407.60-1,685,111.40-1,068,111.60

Finding the Fourth Proportional to 1,123,407.60, 1,685,111.40 and 1,068,111.60

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Solution

The fourth proportional to 1,123,407.60, 1,685,111.40 and 1,068,111.60 is: 1,602,167.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,407.60 : 1,685,111.40 = 1,068,111.60 : x
  2. Step 2: Convert to fraction form
    1,123,407.60/1,685,111.40 = 1,068,111.60/x
  3. Step 3: Cross multiply
    1,123,407.60x = 1,685,111.40 × 1,068,111.60
  4. Step 4: Simplify right side
    1,123,407.60x = 1,799,887,033,632.24
  5. Step 5: Solve for x
    x = 1,799,887,033,632.24/1,123,407.60
  6. Step 6: Final answer
    x = 1,602,167.40

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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.