Home / 1,109,647.18-1,531,312.59-626,313.70

Finding the Fourth Proportional to 1,109,647.18, 1,531,312.59 and 626,313.70

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Solution

The fourth proportional to 1,109,647.18, 1,531,312.59 and 626,313.70 is: 864,312.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,647.18 : 1,531,312.59 = 626,313.70 : x
  2. Step 2: Convert to fraction form
    1,109,647.18/1,531,312.59 = 626,313.70/x
  3. Step 3: Cross multiply
    1,109,647.18x = 1,531,312.59 × 626,313.70
  4. Step 4: Simplify right side
    1,109,647.18x = 959,082,054,099.48
  5. Step 5: Solve for x
    x = 959,082,054,099.48/1,109,647.18
  6. Step 6: Final answer
    x = 864,312.61

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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.