Home / 1,688,637.81-2,330,730.33-1,043,669.64

Finding the Fourth Proportional to 1,688,637.81, 2,330,730.33 and 1,043,669.64

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Solution

The fourth proportional to 1,688,637.81, 2,330,730.33 and 1,043,669.64 is: 1,440,517.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,637.81 : 2,330,730.33 = 1,043,669.64 : x
  2. Step 2: Convert to fraction form
    1,688,637.81/2,330,730.33 = 1,043,669.64/x
  3. Step 3: Cross multiply
    1,688,637.81x = 2,330,730.33 × 1,043,669.64
  4. Step 4: Simplify right side
    1,688,637.81x = 2,432,512,484,448.18
  5. Step 5: Solve for x
    x = 2,432,512,484,448.18/1,688,637.81
  6. Step 6: Final answer
    x = 1,440,517.60

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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.