Home / 1,258,374.65-1,736,677.80-775,222.61

Finding the Fourth Proportional to 1,258,374.65, 1,736,677.80 and 775,222.61

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Solution

The fourth proportional to 1,258,374.65, 1,736,677.80 and 775,222.61 is: 1,069,881.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,374.65 : 1,736,677.80 = 775,222.61 : x
  2. Step 2: Convert to fraction form
    1,258,374.65/1,736,677.80 = 775,222.61/x
  3. Step 3: Cross multiply
    1,258,374.65x = 1,736,677.80 × 775,222.61
  4. Step 4: Simplify right side
    1,258,374.65x = 1,346,311,888,161.67
  5. Step 5: Solve for x
    x = 1,346,311,888,161.67/1,258,374.65
  6. Step 6: Final answer
    x = 1,069,881.61

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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.