Home / 1,157,395.32-1,597,161.51-648,072.18

Finding the Fourth Proportional to 1,157,395.32, 1,597,161.51 and 648,072.18

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Solution

The fourth proportional to 1,157,395.32, 1,597,161.51 and 648,072.18 is: 894,314.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,395.32 : 1,597,161.51 = 648,072.18 : x
  2. Step 2: Convert to fraction form
    1,157,395.32/1,597,161.51 = 648,072.18/x
  3. Step 3: Cross multiply
    1,157,395.32x = 1,597,161.51 × 648,072.18
  4. Step 4: Simplify right side
    1,157,395.32x = 1,035,075,941,597.79
  5. Step 5: Solve for x
    x = 1,035,075,941,597.79/1,157,395.32
  6. Step 6: Final answer
    x = 894,314.95

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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.