Home / 1,026,003.90-1,539,005.85-553,611.90

Finding the Fourth Proportional to 1,026,003.90, 1,539,005.85 and 553,611.90

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Solution

The fourth proportional to 1,026,003.90, 1,539,005.85 and 553,611.90 is: 830,417.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,003.90 : 1,539,005.85 = 553,611.90 : x
  2. Step 2: Convert to fraction form
    1,026,003.90/1,539,005.85 = 553,611.90/x
  3. Step 3: Cross multiply
    1,026,003.90x = 1,539,005.85 × 553,611.90
  4. Step 4: Simplify right side
    1,026,003.90x = 852,011,952,729.62
  5. Step 5: Solve for x
    x = 852,011,952,729.62/1,026,003.90
  6. Step 6: Final answer
    x = 830,417.85

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Double scale
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Similar ratio
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1.5x scale

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.