Home / 1,129,541.16-1,558,768.68-620,275.80

Finding the Fourth Proportional to 1,129,541.16, 1,558,768.68 and 620,275.80

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Solution

The fourth proportional to 1,129,541.16, 1,558,768.68 and 620,275.80 is: 855,981.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,541.16 : 1,558,768.68 = 620,275.80 : x
  2. Step 2: Convert to fraction form
    1,129,541.16/1,558,768.68 = 620,275.80/x
  3. Step 3: Cross multiply
    1,129,541.16x = 1,558,768.68 × 620,275.80
  4. Step 4: Simplify right side
    1,129,541.16x = 966,866,490,001.94
  5. Step 5: Solve for x
    x = 966,866,490,001.94/1,129,541.16
  6. Step 6: Final answer
    x = 855,981.64

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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.