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Finding the Fourth Proportional to 1,018,552.32, 1,520,352 and 943,488

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Solution

The fourth proportional to 1,018,552.32, 1,520,352 and 943,488 is: 1,408,306.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,552.32 : 1,520,352 = 943,488 : x
  2. Step 2: Convert to fraction form
    1,018,552.32/1,520,352 = 943,488/x
  3. Step 3: Cross multiply
    1,018,552.32x = 1,520,352 × 943,488
  4. Step 4: Simplify right side
    1,018,552.32x = 1,434,433,867,776
  5. Step 5: Solve for x
    x = 1,434,433,867,776/1,018,552.32
  6. Step 6: Final answer
    x = 1,408,306.51

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.