Home / 1,255,663.36-1,871,666.26-1,154,886.40

Finding the Fourth Proportional to 1,255,663.36, 1,871,666.26 and 1,154,886.40

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Solution

The fourth proportional to 1,255,663.36, 1,871,666.26 and 1,154,886.40 is: 1,721,450.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,663.36 : 1,871,666.26 = 1,154,886.40 : x
  2. Step 2: Convert to fraction form
    1,255,663.36/1,871,666.26 = 1,154,886.40/x
  3. Step 3: Cross multiply
    1,255,663.36x = 1,871,666.26 × 1,154,886.40
  4. Step 4: Simplify right side
    1,255,663.36x = 2,161,561,909,012.86
  5. Step 5: Solve for x
    x = 2,161,561,909,012.86/1,255,663.36
  6. Step 6: Final answer
    x = 1,721,450.17

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.