Home / 1,514,715.47-2,090,021.81-902,925.15

Finding the Fourth Proportional to 1,514,715.47, 2,090,021.81 and 902,925.15

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Solution

The fourth proportional to 1,514,715.47, 2,090,021.81 and 902,925.15 is: 1,245,866.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,514,715.47 : 2,090,021.81 = 902,925.15 : x
  2. Step 2: Convert to fraction form
    1,514,715.47/2,090,021.81 = 902,925.15/x
  3. Step 3: Cross multiply
    1,514,715.47x = 2,090,021.81 × 902,925.15
  4. Step 4: Simplify right side
    1,514,715.47x = 1,887,133,251,782.90
  5. Step 5: Solve for x
    x = 1,887,133,251,782.90/1,514,715.47
  6. Step 6: Final answer
    x = 1,245,866.50

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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.