Home / 1,018,706.22-1,405,806.30-553,555.98

Finding the Fourth Proportional to 1,018,706.22, 1,405,806.30 and 553,555.98

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Solution

The fourth proportional to 1,018,706.22, 1,405,806.30 and 553,555.98 is: 763,902.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,706.22 : 1,405,806.30 = 553,555.98 : x
  2. Step 2: Convert to fraction form
    1,018,706.22/1,405,806.30 = 553,555.98/x
  3. Step 3: Cross multiply
    1,018,706.22x = 1,405,806.30 × 553,555.98
  4. Step 4: Simplify right side
    1,018,706.22x = 778,192,484,086.67
  5. Step 5: Solve for x
    x = 778,192,484,086.67/1,018,706.22
  6. Step 6: Final answer
    x = 763,902.75

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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.