Home / 1,298,245.24-1,791,543.36-709,521.40

Finding the Fourth Proportional to 1,298,245.24, 1,791,543.36 and 709,521.40

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Solution

The fourth proportional to 1,298,245.24, 1,791,543.36 and 709,521.40 is: 979,120.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,245.24 : 1,791,543.36 = 709,521.40 : x
  2. Step 2: Convert to fraction form
    1,298,245.24/1,791,543.36 = 709,521.40/x
  3. Step 3: Cross multiply
    1,298,245.24x = 1,791,543.36 × 709,521.40
  4. Step 4: Simplify right side
    1,298,245.24x = 1,271,138,352,947.90
  5. Step 5: Solve for x
    x = 1,271,138,352,947.90/1,298,245.24
  6. Step 6: Final answer
    x = 979,120.36

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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.