Home / 990,783.60-1,486,175.40-710,847.60

Finding the Fourth Proportional to 990,783.60, 1,486,175.40 and 710,847.60

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Solution

The fourth proportional to 990,783.60, 1,486,175.40 and 710,847.60 is: 1,066,271.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,783.60 : 1,486,175.40 = 710,847.60 : x
  2. Step 2: Convert to fraction form
    990,783.60/1,486,175.40 = 710,847.60/x
  3. Step 3: Cross multiply
    990,783.60x = 1,486,175.40 × 710,847.60
  4. Step 4: Simplify right side
    990,783.60x = 1,056,444,216,269.04
  5. Step 5: Solve for x
    x = 1,056,444,216,269.04/990,783.60
  6. Step 6: Final answer
    x = 1,066,271.40

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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.