Home / 1,470,018.78-2,205,306.90-510,436.98

Finding the Fourth Proportional to 1,470,018.78, 2,205,306.90 and 510,436.98

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Solution

The fourth proportional to 1,470,018.78, 2,205,306.90 and 510,436.98 is: 765,752.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470,018.78 : 2,205,306.90 = 510,436.98 : x
  2. Step 2: Convert to fraction form
    1,470,018.78/2,205,306.90 = 510,436.98/x
  3. Step 3: Cross multiply
    1,470,018.78x = 2,205,306.90 × 510,436.98
  4. Step 4: Simplify right side
    1,470,018.78x = 1,125,670,194,009.16
  5. Step 5: Solve for x
    x = 1,125,670,194,009.16/1,470,018.78
  6. Step 6: Final answer
    x = 765,752.25

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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.