Home / 1,112,415.02-1,667,632.95-402,285.30

Finding the Fourth Proportional to 1,112,415.02, 1,667,632.95 and 402,285.30

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Solution

The fourth proportional to 1,112,415.02, 1,667,632.95 and 402,285.30 is: 603,070.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,415.02 : 1,667,632.95 = 402,285.30 : x
  2. Step 2: Convert to fraction form
    1,112,415.02/1,667,632.95 = 402,285.30/x
  3. Step 3: Cross multiply
    1,112,415.02x = 1,667,632.95 × 402,285.30
  4. Step 4: Simplify right side
    1,112,415.02x = 670,864,221,580.64
  5. Step 5: Solve for x
    x = 670,864,221,580.64/1,112,415.02
  6. Step 6: Final answer
    x = 603,070.09

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1.5x scale

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.