Home / 1,404,989.54-2,107,484.40-340,031.78

Finding the Fourth Proportional to 1,404,989.54, 2,107,484.40 and 340,031.78

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Solution

The fourth proportional to 1,404,989.54, 2,107,484.40 and 340,031.78 is: 510,047.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,989.54 : 2,107,484.40 = 340,031.78 : x
  2. Step 2: Convert to fraction form
    1,404,989.54/2,107,484.40 = 340,031.78/x
  3. Step 3: Cross multiply
    1,404,989.54x = 2,107,484.40 × 340,031.78
  4. Step 4: Simplify right side
    1,404,989.54x = 716,611,671,854.23
  5. Step 5: Solve for x
    x = 716,611,671,854.23/1,404,989.54
  6. Step 6: Final answer
    x = 510,047.69

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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.