Home / 917,347.40-1,376,021.10-831,726.35

Finding the Fourth Proportional to 917,347.40, 1,376,021.10 and 831,726.35

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Solution

The fourth proportional to 917,347.40, 1,376,021.10 and 831,726.35 is: 1,247,589.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,347.40 : 1,376,021.10 = 831,726.35 : x
  2. Step 2: Convert to fraction form
    917,347.40/1,376,021.10 = 831,726.35/x
  3. Step 3: Cross multiply
    917,347.40x = 1,376,021.10 × 831,726.35
  4. Step 4: Simplify right side
    917,347.40x = 1,144,473,007,025.99
  5. Step 5: Solve for x
    x = 1,144,473,007,025.99/917,347.40
  6. Step 6: Final answer
    x = 1,247,589.53

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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.