Home / 1,070,548.40-1,604,461.80-438,748.40

Finding the Fourth Proportional to 1,070,548.40, 1,604,461.80 and 438,748.40

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Solution

The fourth proportional to 1,070,548.40, 1,604,461.80 and 438,748.40 is: 657,564.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,548.40 : 1,604,461.80 = 438,748.40 : x
  2. Step 2: Convert to fraction form
    1,070,548.40/1,604,461.80 = 438,748.40/x
  3. Step 3: Cross multiply
    1,070,548.40x = 1,604,461.80 × 438,748.40
  4. Step 4: Simplify right side
    1,070,548.40x = 703,955,047,611.12
  5. Step 5: Solve for x
    x = 703,955,047,611.12/1,070,548.40
  6. Step 6: Final answer
    x = 657,564.90

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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.