Home / 1,147,083-1,582,328.88-688,075.44

Finding the Fourth Proportional to 1,147,083, 1,582,328.88 and 688,075.44

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Solution

The fourth proportional to 1,147,083, 1,582,328.88 and 688,075.44 is: 949,156.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,083 : 1,582,328.88 = 688,075.44 : x
  2. Step 2: Convert to fraction form
    1,147,083/1,582,328.88 = 688,075.44/x
  3. Step 3: Cross multiply
    1,147,083x = 1,582,328.88 × 688,075.44
  4. Step 4: Simplify right side
    1,147,083x = 1,088,761,640,330.71
  5. Step 5: Solve for x
    x = 1,088,761,640,330.71/1,147,083
  6. Step 6: Final answer
    x = 949,156.81

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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.