Home / 1,885,930.79-2,602,806.08-1,059,140.21

Finding the Fourth Proportional to 1,885,930.79, 2,602,806.08 and 1,059,140.21

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Solution

The fourth proportional to 1,885,930.79, 2,602,806.08 and 1,059,140.21 is: 1,461,737.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,885,930.79 : 2,602,806.08 = 1,059,140.21 : x
  2. Step 2: Convert to fraction form
    1,885,930.79/2,602,806.08 = 1,059,140.21/x
  3. Step 3: Cross multiply
    1,885,930.79x = 2,602,806.08 × 1,059,140.21
  4. Step 4: Simplify right side
    1,885,930.79x = 2,756,736,559,850.75
  5. Step 5: Solve for x
    x = 2,756,736,559,850.75/1,885,930.79
  6. Step 6: Final answer
    x = 1,461,737.93

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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.