Home / 1,688,689.22-2,531,551.32-877,365.27

Finding the Fourth Proportional to 1,688,689.22, 2,531,551.32 and 877,365.27

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Solution

The fourth proportional to 1,688,689.22, 2,531,551.32 and 877,365.27 is: 1,315,277.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,689.22 : 2,531,551.32 = 877,365.27 : x
  2. Step 2: Convert to fraction form
    1,688,689.22/2,531,551.32 = 877,365.27/x
  3. Step 3: Cross multiply
    1,688,689.22x = 2,531,551.32 × 877,365.27
  4. Step 4: Simplify right side
    1,688,689.22x = 2,221,095,207,390.66
  5. Step 5: Solve for x
    x = 2,221,095,207,390.66/1,688,689.22
  6. Step 6: Final answer
    x = 1,315,277.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.