Home / 1,665,574.85-2,298,509.13-977,258.42

Finding the Fourth Proportional to 1,665,574.85, 2,298,509.13 and 977,258.42

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Solution

The fourth proportional to 1,665,574.85, 2,298,509.13 and 977,258.42 is: 1,348,625.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,574.85 : 2,298,509.13 = 977,258.42 : x
  2. Step 2: Convert to fraction form
    1,665,574.85/2,298,509.13 = 977,258.42/x
  3. Step 3: Cross multiply
    1,665,574.85x = 2,298,509.13 × 977,258.42
  4. Step 4: Simplify right side
    1,665,574.85x = 2,246,237,389,246.83
  5. Step 5: Solve for x
    x = 2,246,237,389,246.83/1,665,574.85
  6. Step 6: Final answer
    x = 1,348,625.91

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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.