Home / 1,426,165.28-2,140,088.84-528,237.76

Finding the Fourth Proportional to 1,426,165.28, 2,140,088.84 and 528,237.76

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Solution

The fourth proportional to 1,426,165.28, 2,140,088.84 and 528,237.76 is: 792,668.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,165.28 : 2,140,088.84 = 528,237.76 : x
  2. Step 2: Convert to fraction form
    1,426,165.28/2,140,088.84 = 528,237.76/x
  3. Step 3: Cross multiply
    1,426,165.28x = 2,140,088.84 × 528,237.76
  4. Step 4: Simplify right side
    1,426,165.28x = 1,130,475,735,042.60
  5. Step 5: Solve for x
    x = 1,130,475,735,042.60/1,426,165.28
  6. Step 6: Final answer
    x = 792,668.11

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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.