Home / 1,417,806.60-2,128,265.10-885,928.20

Finding the Fourth Proportional to 1,417,806.60, 2,128,265.10 and 885,928.20

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Solution

The fourth proportional to 1,417,806.60, 2,128,265.10 and 885,928.20 is: 1,329,864.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417,806.60 : 2,128,265.10 = 885,928.20 : x
  2. Step 2: Convert to fraction form
    1,417,806.60/2,128,265.10 = 885,928.20/x
  3. Step 3: Cross multiply
    1,417,806.60x = 2,128,265.10 × 885,928.20
  4. Step 4: Simplify right side
    1,417,806.60x = 1,885,490,069,165.82
  5. Step 5: Solve for x
    x = 1,885,490,069,165.82/1,417,806.60
  6. Step 6: Final answer
    x = 1,329,864.08

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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.