Home / 1,129,031.40-1,692,164.70-497,274.60

Finding the Fourth Proportional to 1,129,031.40, 1,692,164.70 and 497,274.60

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Solution

The fourth proportional to 1,129,031.40, 1,692,164.70 and 497,274.60 is: 745,303.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,031.40 : 1,692,164.70 = 497,274.60 : x
  2. Step 2: Convert to fraction form
    1,129,031.40/1,692,164.70 = 497,274.60/x
  3. Step 3: Cross multiply
    1,129,031.40x = 1,692,164.70 × 497,274.60
  4. Step 4: Simplify right side
    1,129,031.40x = 841,470,524,326.62
  5. Step 5: Solve for x
    x = 841,470,524,326.62/1,129,031.40
  6. Step 6: Final answer
    x = 745,303.03

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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.