Home / 1,069,864.40-1,604,407.80-359,915.60

Finding the Fourth Proportional to 1,069,864.40, 1,604,407.80 and 359,915.60

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Solution

The fourth proportional to 1,069,864.40, 1,604,407.80 and 359,915.60 is: 539,742.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,864.40 : 1,604,407.80 = 359,915.60 : x
  2. Step 2: Convert to fraction form
    1,069,864.40/1,604,407.80 = 359,915.60/x
  3. Step 3: Cross multiply
    1,069,864.40x = 1,604,407.80 × 359,915.60
  4. Step 4: Simplify right side
    1,069,864.40x = 577,451,395,981.68
  5. Step 5: Solve for x
    x = 577,451,395,981.68/1,069,864.40
  6. Step 6: Final answer
    x = 539,742.60

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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.