Home / 1,578,006.50-2,366,023.50-666,720.45

Finding the Fourth Proportional to 1,578,006.50, 2,366,023.50 and 666,720.45

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Solution

The fourth proportional to 1,578,006.50, 2,366,023.50 and 666,720.45 is: 999,663.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578,006.50 : 2,366,023.50 = 666,720.45 : x
  2. Step 2: Convert to fraction form
    1,578,006.50/2,366,023.50 = 666,720.45/x
  3. Step 3: Cross multiply
    1,578,006.50x = 2,366,023.50 × 666,720.45
  4. Step 4: Simplify right side
    1,578,006.50x = 1,577,476,252,630.58
  5. Step 5: Solve for x
    x = 1,577,476,252,630.58/1,578,006.50
  6. Step 6: Final answer
    x = 999,663.98

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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.