Home / 1,340,463.60-1,849,852.91-728,615.98

Finding the Fourth Proportional to 1,340,463.60, 1,849,852.91 and 728,615.98

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Solution

The fourth proportional to 1,340,463.60, 1,849,852.91 and 728,615.98 is: 1,005,497.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,463.60 : 1,849,852.91 = 728,615.98 : x
  2. Step 2: Convert to fraction form
    1,340,463.60/1,849,852.91 = 728,615.98/x
  3. Step 3: Cross multiply
    1,340,463.60x = 1,849,852.91 × 728,615.98
  4. Step 4: Simplify right side
    1,340,463.60x = 1,347,832,390,875.50
  5. Step 5: Solve for x
    x = 1,347,832,390,875.50/1,340,463.60
  6. Step 6: Final answer
    x = 1,005,497.20

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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.