Home / 1,341,130.57-1,850,782.16-729,295.45

Finding the Fourth Proportional to 1,341,130.57, 1,850,782.16 and 729,295.45

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Solution

The fourth proportional to 1,341,130.57, 1,850,782.16 and 729,295.45 is: 1,006,439.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,130.57 : 1,850,782.16 = 729,295.45 : x
  2. Step 2: Convert to fraction form
    1,341,130.57/1,850,782.16 = 729,295.45/x
  3. Step 3: Cross multiply
    1,341,130.57x = 1,850,782.16 × 729,295.45
  4. Step 4: Simplify right side
    1,341,130.57x = 1,349,767,005,425.46
  5. Step 5: Solve for x
    x = 1,349,767,005,425.46/1,341,130.57
  6. Step 6: Final answer
    x = 1,006,439.67

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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.