Home / 1,140,670.76-1,574,291.30-657,141.80

Finding the Fourth Proportional to 1,140,670.76, 1,574,291.30 and 657,141.80

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Solution

The fourth proportional to 1,140,670.76, 1,574,291.30 and 657,141.80 is: 906,951.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,670.76 : 1,574,291.30 = 657,141.80 : x
  2. Step 2: Convert to fraction form
    1,140,670.76/1,574,291.30 = 657,141.80/x
  3. Step 3: Cross multiply
    1,140,670.76x = 1,574,291.30 × 657,141.80
  4. Step 4: Simplify right side
    1,140,670.76x = 1,034,532,618,606.34
  5. Step 5: Solve for x
    x = 1,034,532,618,606.34/1,140,670.76
  6. Step 6: Final answer
    x = 906,951.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.