Home / 1,018,959.25-1,404,681.75-712,082.89

Finding the Fourth Proportional to 1,018,959.25, 1,404,681.75 and 712,082.89

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Solution

The fourth proportional to 1,018,959.25, 1,404,681.75 and 712,082.89 is: 981,638.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,959.25 : 1,404,681.75 = 712,082.89 : x
  2. Step 2: Convert to fraction form
    1,018,959.25/1,404,681.75 = 712,082.89/x
  3. Step 3: Cross multiply
    1,018,959.25x = 1,404,681.75 × 712,082.89
  4. Step 4: Simplify right side
    1,018,959.25x = 1,000,249,836,509.84
  5. Step 5: Solve for x
    x = 1,000,249,836,509.84/1,018,959.25
  6. Step 6: Final answer
    x = 981,638.70

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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.