Home / 1,038,773.54-1,423,113.04-999,928.76

Finding the Fourth Proportional to 1,038,773.54, 1,423,113.04 and 999,928.76

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Solution

The fourth proportional to 1,038,773.54, 1,423,113.04 and 999,928.76 is: 1,369,895.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,773.54 : 1,423,113.04 = 999,928.76 : x
  2. Step 2: Convert to fraction form
    1,038,773.54/1,423,113.04 = 999,928.76/x
  3. Step 3: Cross multiply
    1,038,773.54x = 1,423,113.04 × 999,928.76
  4. Step 4: Simplify right side
    1,038,773.54x = 1,423,011,657,427.03
  5. Step 5: Solve for x
    x = 1,423,011,657,427.03/1,038,773.54
  6. Step 6: Final answer
    x = 1,369,895.94

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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.