Home / 1,538,047.60-2,307,071.40-907,673.20

Finding the Fourth Proportional to 1,538,047.60, 2,307,071.40 and 907,673.20

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Solution

The fourth proportional to 1,538,047.60, 2,307,071.40 and 907,673.20 is: 1,361,509.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,047.60 : 2,307,071.40 = 907,673.20 : x
  2. Step 2: Convert to fraction form
    1,538,047.60/2,307,071.40 = 907,673.20/x
  3. Step 3: Cross multiply
    1,538,047.60x = 2,307,071.40 × 907,673.20
  4. Step 4: Simplify right side
    1,538,047.60x = 2,094,066,880,266.48
  5. Step 5: Solve for x
    x = 2,094,066,880,266.48/1,538,047.60
  6. Step 6: Final answer
    x = 1,361,509.80

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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.