Home / 1,257,395.64-1,886,075.08-310,766.44

Finding the Fourth Proportional to 1,257,395.64, 1,886,075.08 and 310,766.44

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Solution

The fourth proportional to 1,257,395.64, 1,886,075.08 and 310,766.44 is: 466,145.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,395.64 : 1,886,075.08 = 310,766.44 : x
  2. Step 2: Convert to fraction form
    1,257,395.64/1,886,075.08 = 310,766.44/x
  3. Step 3: Cross multiply
    1,257,395.64x = 1,886,075.08 × 310,766.44
  4. Step 4: Simplify right side
    1,257,395.64x = 586,128,838,184.32
  5. Step 5: Solve for x
    x = 586,128,838,184.32/1,257,395.64
  6. Step 6: Final answer
    x = 466,145.12

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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.