Home / 1,019,627.40-1,528,058.70-681,707.40

Finding the Fourth Proportional to 1,019,627.40, 1,528,058.70 and 681,707.40

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Solution

The fourth proportional to 1,019,627.40, 1,528,058.70 and 681,707.40 is: 1,021,636.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,627.40 : 1,528,058.70 = 681,707.40 : x
  2. Step 2: Convert to fraction form
    1,019,627.40/1,528,058.70 = 681,707.40/x
  3. Step 3: Cross multiply
    1,019,627.40x = 1,528,058.70 × 681,707.40
  4. Step 4: Simplify right side
    1,019,627.40x = 1,041,688,923,424.38
  5. Step 5: Solve for x
    x = 1,041,688,923,424.38/1,019,627.40
  6. Step 6: Final answer
    x = 1,021,636.85

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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.