Home / 1,108,392.63-1,529,598.83-649,397.39

Finding the Fourth Proportional to 1,108,392.63, 1,529,598.83 and 649,397.39

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Solution

The fourth proportional to 1,108,392.63, 1,529,598.83 and 649,397.39 is: 896,178.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,392.63 : 1,529,598.83 = 649,397.39 : x
  2. Step 2: Convert to fraction form
    1,108,392.63/1,529,598.83 = 649,397.39/x
  3. Step 3: Cross multiply
    1,108,392.63x = 1,529,598.83 × 649,397.39
  4. Step 4: Simplify right side
    1,108,392.63x = 993,317,477,054.07
  5. Step 5: Solve for x
    x = 993,317,477,054.07/1,108,392.63
  6. Step 6: Final answer
    x = 896,178.35

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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.