Home / 1,657,031.04-2,286,780.36-921,989.40

Finding the Fourth Proportional to 1,657,031.04, 2,286,780.36 and 921,989.40

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Solution

The fourth proportional to 1,657,031.04, 2,286,780.36 and 921,989.40 is: 1,272,388.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,031.04 : 2,286,780.36 = 921,989.40 : x
  2. Step 2: Convert to fraction form
    1,657,031.04/2,286,780.36 = 921,989.40/x
  3. Step 3: Cross multiply
    1,657,031.04x = 2,286,780.36 × 921,989.40
  4. Step 4: Simplify right side
    1,657,031.04x = 2,108,387,252,048.18
  5. Step 5: Solve for x
    x = 2,108,387,252,048.18/1,657,031.04
  6. Step 6: Final answer
    x = 1,272,388.51

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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.