Home / 1,385,699.73-1,912,426.96-1,152,715.10

Finding the Fourth Proportional to 1,385,699.73, 1,912,426.96 and 1,152,715.10

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Solution

The fourth proportional to 1,385,699.73, 1,912,426.96 and 1,152,715.10 is: 1,590,881.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,699.73 : 1,912,426.96 = 1,152,715.10 : x
  2. Step 2: Convert to fraction form
    1,385,699.73/1,912,426.96 = 1,152,715.10/x
  3. Step 3: Cross multiply
    1,385,699.73x = 1,912,426.96 × 1,152,715.10
  4. Step 4: Simplify right side
    1,385,699.73x = 2,204,483,434,439.10
  5. Step 5: Solve for x
    x = 2,204,483,434,439.10/1,385,699.73
  6. Step 6: Final answer
    x = 1,590,881.04

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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.