Home / 1,140,943.50-1,574,442.16-624,598.40

Finding the Fourth Proportional to 1,140,943.50, 1,574,442.16 and 624,598.40

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Solution

The fourth proportional to 1,140,943.50, 1,574,442.16 and 624,598.40 is: 861,913.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,943.50 : 1,574,442.16 = 624,598.40 : x
  2. Step 2: Convert to fraction form
    1,140,943.50/1,574,442.16 = 624,598.40/x
  3. Step 3: Cross multiply
    1,140,943.50x = 1,574,442.16 × 624,598.40
  4. Step 4: Simplify right side
    1,140,943.50x = 983,394,054,028.54
  5. Step 5: Solve for x
    x = 983,394,054,028.54/1,140,943.50
  6. Step 6: Final answer
    x = 861,913.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.