Home / 1,130,865.52-1,560,821.40-671,891.74

Finding the Fourth Proportional to 1,130,865.52, 1,560,821.40 and 671,891.74

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Solution

The fourth proportional to 1,130,865.52, 1,560,821.40 and 671,891.74 is: 927,345.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,865.52 : 1,560,821.40 = 671,891.74 : x
  2. Step 2: Convert to fraction form
    1,130,865.52/1,560,821.40 = 671,891.74/x
  3. Step 3: Cross multiply
    1,130,865.52x = 1,560,821.40 × 671,891.74
  4. Step 4: Simplify right side
    1,130,865.52x = 1,048,703,006,275.24
  5. Step 5: Solve for x
    x = 1,048,703,006,275.24/1,130,865.52
  6. Step 6: Final answer
    x = 927,345.46

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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.