Home / 1,665,203.77-2,298,036.93-1,020,499.46

Finding the Fourth Proportional to 1,665,203.77, 2,298,036.93 and 1,020,499.46

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Solution

The fourth proportional to 1,665,203.77, 2,298,036.93 and 1,020,499.46 is: 1,408,323.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,203.77 : 2,298,036.93 = 1,020,499.46 : x
  2. Step 2: Convert to fraction form
    1,665,203.77/2,298,036.93 = 1,020,499.46/x
  3. Step 3: Cross multiply
    1,665,203.77x = 2,298,036.93 × 1,020,499.46
  4. Step 4: Simplify right side
    1,665,203.77x = 2,345,145,439,425.64
  5. Step 5: Solve for x
    x = 2,345,145,439,425.64/1,665,203.77
  6. Step 6: Final answer
    x = 1,408,323.40

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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.