Home / 915,095.40-1,371,145.02-880,103.40

Finding the Fourth Proportional to 915,095.40, 1,371,145.02 and 880,103.40

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Solution

The fourth proportional to 915,095.40, 1,371,145.02 and 880,103.40 is: 1,318,714.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,095.40 : 1,371,145.02 = 880,103.40 : x
  2. Step 2: Convert to fraction form
    915,095.40/1,371,145.02 = 880,103.40/x
  3. Step 3: Cross multiply
    915,095.40x = 1,371,145.02 × 880,103.40
  4. Step 4: Simplify right side
    915,095.40x = 1,206,749,393,995.07
  5. Step 5: Solve for x
    x = 1,206,749,393,995.07/915,095.40
  6. Step 6: Final answer
    x = 1,318,714.30

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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.