Home / 1,375,110.40-1,897,602.24-763,290.40

Finding the Fourth Proportional to 1,375,110.40, 1,897,602.24 and 763,290.40

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Solution

The fourth proportional to 1,375,110.40, 1,897,602.24 and 763,290.40 is: 1,053,312.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,110.40 : 1,897,602.24 = 763,290.40 : x
  2. Step 2: Convert to fraction form
    1,375,110.40/1,897,602.24 = 763,290.40/x
  3. Step 3: Cross multiply
    1,375,110.40x = 1,897,602.24 × 763,290.40
  4. Step 4: Simplify right side
    1,375,110.40x = 1,448,421,572,810.50
  5. Step 5: Solve for x
    x = 1,448,421,572,810.50/1,375,110.40
  6. Step 6: Final answer
    x = 1,053,312.94

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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.