Home / 1,392,835.56-1,921,518.21-962,368.35

Finding the Fourth Proportional to 1,392,835.56, 1,921,518.21 and 962,368.35

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Solution

The fourth proportional to 1,392,835.56, 1,921,518.21 and 962,368.35 is: 1,327,657.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,835.56 : 1,921,518.21 = 962,368.35 : x
  2. Step 2: Convert to fraction form
    1,392,835.56/1,921,518.21 = 962,368.35/x
  3. Step 3: Cross multiply
    1,392,835.56x = 1,921,518.21 × 962,368.35
  4. Step 4: Simplify right side
    1,392,835.56x = 1,849,208,309,252.65
  5. Step 5: Solve for x
    x = 1,849,208,309,252.65/1,392,835.56
  6. Step 6: Final answer
    x = 1,327,657.31

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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.