Home / 1,686,543.20-2,530,246.80-975,298.40

Finding the Fourth Proportional to 1,686,543.20, 2,530,246.80 and 975,298.40

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Solution

The fourth proportional to 1,686,543.20, 2,530,246.80 and 975,298.40 is: 1,463,197.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,543.20 : 2,530,246.80 = 975,298.40 : x
  2. Step 2: Convert to fraction form
    1,686,543.20/2,530,246.80 = 975,298.40/x
  3. Step 3: Cross multiply
    1,686,543.20x = 2,530,246.80 × 975,298.40
  4. Step 4: Simplify right side
    1,686,543.20x = 2,467,745,655,645.12
  5. Step 5: Solve for x
    x = 2,467,745,655,645.12/1,686,543.20
  6. Step 6: Final answer
    x = 1,463,197.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.