Home / 1,990,018.32-2,985,059.88-570,068.88

Finding the Fourth Proportional to 1,990,018.32, 2,985,059.88 and 570,068.88

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Solution

The fourth proportional to 1,990,018.32, 2,985,059.88 and 570,068.88 is: 855,112.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,018.32 : 2,985,059.88 = 570,068.88 : x
  2. Step 2: Convert to fraction form
    1,990,018.32/2,985,059.88 = 570,068.88/x
  3. Step 3: Cross multiply
    1,990,018.32x = 2,985,059.88 × 570,068.88
  4. Step 4: Simplify right side
    1,990,018.32x = 1,701,689,742,524.53
  5. Step 5: Solve for x
    x = 1,701,689,742,524.53/1,990,018.32
  6. Step 6: Final answer
    x = 855,112.60

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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.