Home / 1,457,240.40-2,185,860.60-459,968.40

Finding the Fourth Proportional to 1,457,240.40, 2,185,860.60 and 459,968.40

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Solution

The fourth proportional to 1,457,240.40, 2,185,860.60 and 459,968.40 is: 689,952.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,240.40 : 2,185,860.60 = 459,968.40 : x
  2. Step 2: Convert to fraction form
    1,457,240.40/2,185,860.60 = 459,968.40/x
  3. Step 3: Cross multiply
    1,457,240.40x = 2,185,860.60 × 459,968.40
  4. Step 4: Simplify right side
    1,457,240.40x = 1,005,426,802,805.04
  5. Step 5: Solve for x
    x = 1,005,426,802,805.04/1,457,240.40
  6. Step 6: Final answer
    x = 689,952.60

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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.