Home / 1,140,604.68-1,710,129.34-578,555.40

Finding the Fourth Proportional to 1,140,604.68, 1,710,129.34 and 578,555.40

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Solution

The fourth proportional to 1,140,604.68, 1,710,129.34 and 578,555.40 is: 867,438.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,604.68 : 1,710,129.34 = 578,555.40 : x
  2. Step 2: Convert to fraction form
    1,140,604.68/1,710,129.34 = 578,555.40/x
  3. Step 3: Cross multiply
    1,140,604.68x = 1,710,129.34 × 578,555.40
  4. Step 4: Simplify right side
    1,140,604.68x = 989,404,564,355.44
  5. Step 5: Solve for x
    x = 989,404,564,355.44/1,140,604.68
  6. Step 6: Final answer
    x = 867,438.63

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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.