Home / 1,249,873.72-1,724,830.14-676,912.12

Finding the Fourth Proportional to 1,249,873.72, 1,724,830.14 and 676,912.12

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Solution

The fourth proportional to 1,249,873.72, 1,724,830.14 and 676,912.12 is: 934,141.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,873.72 : 1,724,830.14 = 676,912.12 : x
  2. Step 2: Convert to fraction form
    1,249,873.72/1,724,830.14 = 676,912.12/x
  3. Step 3: Cross multiply
    1,249,873.72x = 1,724,830.14 × 676,912.12
  4. Step 4: Simplify right side
    1,249,873.72x = 1,167,558,426,707.30
  5. Step 5: Solve for x
    x = 1,167,558,426,707.30/1,249,873.72
  6. Step 6: Final answer
    x = 934,141.11

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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.