Home / 1,512,602.76-2,087,364.78-824,280.60

Finding the Fourth Proportional to 1,512,602.76, 2,087,364.78 and 824,280.60

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Solution

The fourth proportional to 1,512,602.76, 2,087,364.78 and 824,280.60 is: 1,137,492.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,602.76 : 2,087,364.78 = 824,280.60 : x
  2. Step 2: Convert to fraction form
    1,512,602.76/2,087,364.78 = 824,280.60/x
  3. Step 3: Cross multiply
    1,512,602.76x = 2,087,364.78 × 824,280.60
  4. Step 4: Simplify right side
    1,512,602.76x = 1,720,574,293,277.27
  5. Step 5: Solve for x
    x = 1,720,574,293,277.27/1,512,602.76
  6. Step 6: Final answer
    x = 1,137,492.50

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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.