Home / 1,279,802.50-1,766,095.67-735,925.32

Finding the Fourth Proportional to 1,279,802.50, 1,766,095.67 and 735,925.32

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Solution

The fourth proportional to 1,279,802.50, 1,766,095.67 and 735,925.32 is: 1,015,558.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,802.50 : 1,766,095.67 = 735,925.32 : x
  2. Step 2: Convert to fraction form
    1,279,802.50/1,766,095.67 = 735,925.32/x
  3. Step 3: Cross multiply
    1,279,802.50x = 1,766,095.67 × 735,925.32
  4. Step 4: Simplify right side
    1,279,802.50x = 1,299,714,522,935.18
  5. Step 5: Solve for x
    x = 1,299,714,522,935.18/1,279,802.50
  6. Step 6: Final answer
    x = 1,015,558.67

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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.