Home / 1,170,061.40-1,754,631.30-421,722.20

Finding the Fourth Proportional to 1,170,061.40, 1,754,631.30 and 421,722.20

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Solution

The fourth proportional to 1,170,061.40, 1,754,631.30 and 421,722.20 is: 632,417.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,061.40 : 1,754,631.30 = 421,722.20 : x
  2. Step 2: Convert to fraction form
    1,170,061.40/1,754,631.30 = 421,722.20/x
  3. Step 3: Cross multiply
    1,170,061.40x = 1,754,631.30 × 421,722.20
  4. Step 4: Simplify right side
    1,170,061.40x = 739,966,972,024.86
  5. Step 5: Solve for x
    x = 739,966,972,024.86/1,170,061.40
  6. Step 6: Final answer
    x = 632,417.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.