Home / 1,048,047.40-1,570,710.30-485,885.80

Finding the Fourth Proportional to 1,048,047.40, 1,570,710.30 and 485,885.80

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Solution

The fourth proportional to 1,048,047.40, 1,570,710.30 and 485,885.80 is: 728,197.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,047.40 : 1,570,710.30 = 485,885.80 : x
  2. Step 2: Convert to fraction form
    1,048,047.40/1,570,710.30 = 485,885.80/x
  3. Step 3: Cross multiply
    1,048,047.40x = 1,570,710.30 × 485,885.80
  4. Step 4: Simplify right side
    1,048,047.40x = 763,185,830,683.74
  5. Step 5: Solve for x
    x = 763,185,830,683.74/1,048,047.40
  6. Step 6: Final answer
    x = 728,197.82

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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.