Home / 1,145,663.60-1,718,276.70-346,971.20

Finding the Fourth Proportional to 1,145,663.60, 1,718,276.70 and 346,971.20

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Solution

The fourth proportional to 1,145,663.60, 1,718,276.70 and 346,971.20 is: 520,390.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,663.60 : 1,718,276.70 = 346,971.20 : x
  2. Step 2: Convert to fraction form
    1,145,663.60/1,718,276.70 = 346,971.20/x
  3. Step 3: Cross multiply
    1,145,663.60x = 1,718,276.70 × 346,971.20
  4. Step 4: Simplify right side
    1,145,663.60x = 596,192,528,531.04
  5. Step 5: Solve for x
    x = 596,192,528,531.04/1,145,663.60
  6. Step 6: Final answer
    x = 520,390.57

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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.