Home / 1,055,793.20-1,583,689.80-257,068.40

Finding the Fourth Proportional to 1,055,793.20, 1,583,689.80 and 257,068.40

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Solution

The fourth proportional to 1,055,793.20, 1,583,689.80 and 257,068.40 is: 385,602.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,793.20 : 1,583,689.80 = 257,068.40 : x
  2. Step 2: Convert to fraction form
    1,055,793.20/1,583,689.80 = 257,068.40/x
  3. Step 3: Cross multiply
    1,055,793.20x = 1,583,689.80 × 257,068.40
  4. Step 4: Simplify right side
    1,055,793.20x = 407,116,602,982.32
  5. Step 5: Solve for x
    x = 407,116,602,982.32/1,055,793.20
  6. Step 6: Final answer
    x = 385,602.60

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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.