Home / 1,298,495.34-1,791,919.80-725,535.95

Finding the Fourth Proportional to 1,298,495.34, 1,791,919.80 and 725,535.95

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Solution

The fourth proportional to 1,298,495.34, 1,791,919.80 and 725,535.95 is: 1,001,237.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,495.34 : 1,791,919.80 = 725,535.95 : x
  2. Step 2: Convert to fraction form
    1,298,495.34/1,791,919.80 = 725,535.95/x
  3. Step 3: Cross multiply
    1,298,495.34x = 1,791,919.80 × 725,535.95
  4. Step 4: Simplify right side
    1,298,495.34x = 1,300,102,225,457.21
  5. Step 5: Solve for x
    x = 1,300,102,225,457.21/1,298,495.34
  6. Step 6: Final answer
    x = 1,001,237.50

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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.