Home / 1,128,211.00-1,692,320.15-286,762.75

Finding the Fourth Proportional to 1,128,211.00, 1,692,320.15 and 286,762.75

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Solution

The fourth proportional to 1,128,211.00, 1,692,320.15 and 286,762.75 is: 430,145.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,211.00 : 1,692,320.15 = 286,762.75 : x
  2. Step 2: Convert to fraction form
    1,128,211.00/1,692,320.15 = 286,762.75/x
  3. Step 3: Cross multiply
    1,128,211.00x = 1,692,320.15 × 286,762.75
  4. Step 4: Simplify right side
    1,128,211.00x = 485,294,376,580.52
  5. Step 5: Solve for x
    x = 485,294,376,580.52/1,128,211.00
  6. Step 6: Final answer
    x = 430,145.05

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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.