Home / 1,369,862.64-1,890,307.80-766,134

Finding the Fourth Proportional to 1,369,862.64, 1,890,307.80 and 766,134

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Solution

The fourth proportional to 1,369,862.64, 1,890,307.80 and 766,134 is: 1,057,207.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,862.64 : 1,890,307.80 = 766,134 : x
  2. Step 2: Convert to fraction form
    1,369,862.64/1,890,307.80 = 766,134/x
  3. Step 3: Cross multiply
    1,369,862.64x = 1,890,307.80 × 766,134
  4. Step 4: Simplify right side
    1,369,862.64x = 1,448,229,076,045.20
  5. Step 5: Solve for x
    x = 1,448,229,076,045.20/1,369,862.64
  6. Step 6: Final answer
    x = 1,057,207.51

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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.