Home / 1,426,619.13-2,140,208.42-528,068.45

Finding the Fourth Proportional to 1,426,619.13, 2,140,208.42 and 528,068.45

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Solution

The fourth proportional to 1,426,619.13, 2,140,208.42 and 528,068.45 is: 792,206.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,619.13 : 2,140,208.42 = 528,068.45 : x
  2. Step 2: Convert to fraction form
    1,426,619.13/2,140,208.42 = 528,068.45/x
  3. Step 3: Cross multiply
    1,426,619.13x = 2,140,208.42 × 528,068.45
  4. Step 4: Simplify right side
    1,426,619.13x = 1,130,176,529,684.96
  5. Step 5: Solve for x
    x = 1,130,176,529,684.96/1,426,619.13
  6. Step 6: Final answer
    x = 792,206.21

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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.