Home / 1,114,748.84-1,538,389.72-631,303.58

Finding the Fourth Proportional to 1,114,748.84, 1,538,389.72 and 631,303.58

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Solution

The fourth proportional to 1,114,748.84, 1,538,389.72 and 631,303.58 is: 871,219.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,748.84 : 1,538,389.72 = 631,303.58 : x
  2. Step 2: Convert to fraction form
    1,114,748.84/1,538,389.72 = 631,303.58/x
  3. Step 3: Cross multiply
    1,114,748.84x = 1,538,389.72 × 631,303.58
  4. Step 4: Simplify right side
    1,114,748.84x = 971,190,937,671.20
  5. Step 5: Solve for x
    x = 971,190,937,671.20/1,114,748.84
  6. Step 6: Final answer
    x = 871,219.51

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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.