Home / 1,374,930-1,897,416.36-771,330.96

Finding the Fourth Proportional to 1,374,930, 1,897,416.36 and 771,330.96

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Solution

The fourth proportional to 1,374,930, 1,897,416.36 and 771,330.96 is: 1,064,444.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,930 : 1,897,416.36 = 771,330.96 : x
  2. Step 2: Convert to fraction form
    1,374,930/1,897,416.36 = 771,330.96/x
  3. Step 3: Cross multiply
    1,374,930x = 1,897,416.36 × 771,330.96
  4. Step 4: Simplify right side
    1,374,930x = 1,463,535,982,478.51
  5. Step 5: Solve for x
    x = 1,463,535,982,478.51/1,374,930
  6. Step 6: Final answer
    x = 1,064,444.00

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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.