Home / 1,114,492.96-1,538,018.16-631,045.18

Finding the Fourth Proportional to 1,114,492.96, 1,538,018.16 and 631,045.18

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Solution

The fourth proportional to 1,114,492.96, 1,538,018.16 and 631,045.18 is: 870,852.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,492.96 : 1,538,018.16 = 631,045.18 : x
  2. Step 2: Convert to fraction form
    1,114,492.96/1,538,018.16 = 631,045.18/x
  3. Step 3: Cross multiply
    1,114,492.96x = 1,538,018.16 × 631,045.18
  4. Step 4: Simplify right side
    1,114,492.96x = 970,558,946,620.47
  5. Step 5: Solve for x
    x = 970,558,946,620.47/1,114,492.96
  6. Step 6: Final answer
    x = 870,852.47

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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.