Home / 1,141,007.40-1,574,695.83-631,709.78

Finding the Fourth Proportional to 1,141,007.40, 1,574,695.83 and 631,709.78

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Solution

The fourth proportional to 1,141,007.40, 1,574,695.83 and 631,709.78 is: 871,817.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,141,007.40 : 1,574,695.83 = 631,709.78 : x
  2. Step 2: Convert to fraction form
    1,141,007.40/1,574,695.83 = 631,709.78/x
  3. Step 3: Cross multiply
    1,141,007.40x = 1,574,695.83 × 631,709.78
  4. Step 4: Simplify right side
    1,141,007.40x = 994,750,748,462.74
  5. Step 5: Solve for x
    x = 994,750,748,462.74/1,141,007.40
  6. Step 6: Final answer
    x = 871,817.96

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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.