Home / 1,038,772.54-1,423,111.67-999,927.76

Finding the Fourth Proportional to 1,038,772.54, 1,423,111.67 and 999,927.76

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Solution

The fourth proportional to 1,038,772.54, 1,423,111.67 and 999,927.76 is: 1,369,894.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,772.54 : 1,423,111.67 = 999,927.76 : x
  2. Step 2: Convert to fraction form
    1,038,772.54/1,423,111.67 = 999,927.76/x
  3. Step 3: Cross multiply
    1,038,772.54x = 1,423,111.67 × 999,927.76
  4. Step 4: Simplify right side
    1,038,772.54x = 1,423,008,864,412.96
  5. Step 5: Solve for x
    x = 1,423,008,864,412.96/1,038,772.54
  6. Step 6: Final answer
    x = 1,369,894.57

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.