Home / 1,340,347.77-1,849,698.66-728,500.35

Finding the Fourth Proportional to 1,340,347.77, 1,849,698.66 and 728,500.35

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Solution

The fourth proportional to 1,340,347.77, 1,849,698.66 and 728,500.35 is: 1,005,340.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,347.77 : 1,849,698.66 = 728,500.35 : x
  2. Step 2: Convert to fraction form
    1,340,347.77/1,849,698.66 = 728,500.35/x
  3. Step 3: Cross multiply
    1,340,347.77x = 1,849,698.66 × 728,500.35
  4. Step 4: Simplify right side
    1,340,347.77x = 1,347,506,114,268.16
  5. Step 5: Solve for x
    x = 1,347,506,114,268.16/1,340,347.77
  6. Step 6: Final answer
    x = 1,005,340.66

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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.