Home / 1,140,284.02-1,709,920.59-607,705.78

Finding the Fourth Proportional to 1,140,284.02, 1,709,920.59 and 607,705.78

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Solution

The fourth proportional to 1,140,284.02, 1,709,920.59 and 607,705.78 is: 911,289.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,284.02 : 1,709,920.59 = 607,705.78 : x
  2. Step 2: Convert to fraction form
    1,140,284.02/1,709,920.59 = 607,705.78/x
  3. Step 3: Cross multiply
    1,140,284.02x = 1,709,920.59 × 607,705.78
  4. Step 4: Simplify right side
    1,140,284.02x = 1,039,128,625,884.01
  5. Step 5: Solve for x
    x = 1,039,128,625,884.01/1,140,284.02
  6. Step 6: Final answer
    x = 911,289.30

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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.