Home / 1,018,996.02-1,403,784.09-712,498.92

Finding the Fourth Proportional to 1,018,996.02, 1,403,784.09 and 712,498.92

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Solution

The fourth proportional to 1,018,996.02, 1,403,784.09 and 712,498.92 is: 981,549.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,996.02 : 1,403,784.09 = 712,498.92 : x
  2. Step 2: Convert to fraction form
    1,018,996.02/1,403,784.09 = 712,498.92/x
  3. Step 3: Cross multiply
    1,018,996.02x = 1,403,784.09 × 712,498.92
  4. Step 4: Simplify right side
    1,018,996.02x = 1,000,194,648,038.18
  5. Step 5: Solve for x
    x = 1,000,194,648,038.18/1,018,996.02
  6. Step 6: Final answer
    x = 981,549.12

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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.