Home / 1,715,488.45-2,367,366.47-980,430.46

Finding the Fourth Proportional to 1,715,488.45, 2,367,366.47 and 980,430.46

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Solution

The fourth proportional to 1,715,488.45, 2,367,366.47 and 980,430.46 is: 1,352,989.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,715,488.45 : 2,367,366.47 = 980,430.46 : x
  2. Step 2: Convert to fraction form
    1,715,488.45/2,367,366.47 = 980,430.46/x
  3. Step 3: Cross multiply
    1,715,488.45x = 2,367,366.47 × 980,430.46
  4. Step 4: Simplify right side
    1,715,488.45x = 2,321,038,185,333.84
  5. Step 5: Solve for x
    x = 2,321,038,185,333.84/1,715,488.45
  6. Step 6: Final answer
    x = 1,352,989.69

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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.