Home / 1,280,901.36-1,767,537.52-707,941.40

Finding the Fourth Proportional to 1,280,901.36, 1,767,537.52 and 707,941.40

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Solution

The fourth proportional to 1,280,901.36, 1,767,537.52 and 707,941.40 is: 976,900.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,901.36 : 1,767,537.52 = 707,941.40 : x
  2. Step 2: Convert to fraction form
    1,280,901.36/1,767,537.52 = 707,941.40/x
  3. Step 3: Cross multiply
    1,280,901.36x = 1,767,537.52 × 707,941.40
  4. Step 4: Simplify right side
    1,280,901.36x = 1,251,312,986,461.33
  5. Step 5: Solve for x
    x = 1,251,312,986,461.33/1,280,901.36
  6. Step 6: Final answer
    x = 976,900.35

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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.