Home / 1,688,784.34-2,328,205.73-1,068,280.81

Finding the Fourth Proportional to 1,688,784.34, 2,328,205.73 and 1,068,280.81

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Solution

The fourth proportional to 1,688,784.34, 2,328,205.73 and 1,068,280.81 is: 1,472,762.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,784.34 : 2,328,205.73 = 1,068,280.81 : x
  2. Step 2: Convert to fraction form
    1,688,784.34/2,328,205.73 = 1,068,280.81/x
  3. Step 3: Cross multiply
    1,688,784.34x = 2,328,205.73 × 1,068,280.81
  4. Step 4: Simplify right side
    1,688,784.34x = 2,487,177,503,091.04
  5. Step 5: Solve for x
    x = 2,487,177,503,091.04/1,688,784.34
  6. Step 6: Final answer
    x = 1,472,762.06

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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.