Home / 1,020,458.70-1,407,915.96-578,860.50

Finding the Fourth Proportional to 1,020,458.70, 1,407,915.96 and 578,860.50

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Solution

The fourth proportional to 1,020,458.70, 1,407,915.96 and 578,860.50 is: 798,647.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,458.70 : 1,407,915.96 = 578,860.50 : x
  2. Step 2: Convert to fraction form
    1,020,458.70/1,407,915.96 = 578,860.50/x
  3. Step 3: Cross multiply
    1,020,458.70x = 1,407,915.96 × 578,860.50
  4. Step 4: Simplify right side
    1,020,458.70x = 814,986,936,563.58
  5. Step 5: Solve for x
    x = 814,986,936,563.58/1,020,458.70
  6. Step 6: Final answer
    x = 798,647.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.