Home / 847,460.40-1,271,190.60-788,411.40

Finding the Fourth Proportional to 847,460.40, 1,271,190.60 and 788,411.40

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Solution

The fourth proportional to 847,460.40, 1,271,190.60 and 788,411.40 is: 1,182,617.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,460.40 : 1,271,190.60 = 788,411.40 : x
  2. Step 2: Convert to fraction form
    847,460.40/1,271,190.60 = 788,411.40/x
  3. Step 3: Cross multiply
    847,460.40x = 1,271,190.60 × 788,411.40
  4. Step 4: Simplify right side
    847,460.40x = 1,002,221,160,612.84
  5. Step 5: Solve for x
    x = 1,002,221,160,612.84/847,460.40
  6. Step 6: Final answer
    x = 1,182,617.10

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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.