Home / 1,225,708.72-1,838,563.04-384,328.24

Finding the Fourth Proportional to 1,225,708.72, 1,838,563.04 and 384,328.24

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Solution

The fourth proportional to 1,225,708.72, 1,838,563.04 and 384,328.24 is: 576,492.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,708.72 : 1,838,563.04 = 384,328.24 : x
  2. Step 2: Convert to fraction form
    1,225,708.72/1,838,563.04 = 384,328.24/x
  3. Step 3: Cross multiply
    1,225,708.72x = 1,838,563.04 × 384,328.24
  4. Step 4: Simplify right side
    1,225,708.72x = 706,611,697,292.25
  5. Step 5: Solve for x
    x = 706,611,697,292.25/1,225,708.72
  6. Step 6: Final answer
    x = 576,492.35

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1.5x scale

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.