Home / 917,999.30-1,376,998.95-708,047.30

Finding the Fourth Proportional to 917,999.30, 1,376,998.95 and 708,047.30

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Solution

The fourth proportional to 917,999.30, 1,376,998.95 and 708,047.30 is: 1,062,070.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,999.30 : 1,376,998.95 = 708,047.30 : x
  2. Step 2: Convert to fraction form
    917,999.30/1,376,998.95 = 708,047.30/x
  3. Step 3: Cross multiply
    917,999.30x = 1,376,998.95 × 708,047.30
  4. Step 4: Simplify right side
    917,999.30x = 974,980,388,650.34
  5. Step 5: Solve for x
    x = 974,980,388,650.34/917,999.30
  6. Step 6: Final answer
    x = 1,062,070.95

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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.