Home / 1,507,705.60-2,080,609.59-828,627.52

Finding the Fourth Proportional to 1,507,705.60, 2,080,609.59 and 828,627.52

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Solution

The fourth proportional to 1,507,705.60, 2,080,609.59 and 828,627.52 is: 1,143,492.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,705.60 : 2,080,609.59 = 828,627.52 : x
  2. Step 2: Convert to fraction form
    1,507,705.60/2,080,609.59 = 828,627.52/x
  3. Step 3: Cross multiply
    1,507,705.60x = 2,080,609.59 × 828,627.52
  4. Step 4: Simplify right side
    1,507,705.60x = 1,724,050,364,649.92
  5. Step 5: Solve for x
    x = 1,724,050,364,649.92/1,507,705.60
  6. Step 6: Final answer
    x = 1,143,492.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.