Home / 1,007,561.76-1,390,444.56-554,856

Finding the Fourth Proportional to 1,007,561.76, 1,390,444.56 and 554,856

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Solution

The fourth proportional to 1,007,561.76, 1,390,444.56 and 554,856 is: 765,706.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,561.76 : 1,390,444.56 = 554,856 : x
  2. Step 2: Convert to fraction form
    1,007,561.76/1,390,444.56 = 554,856/x
  3. Step 3: Cross multiply
    1,007,561.76x = 1,390,444.56 × 554,856
  4. Step 4: Simplify right side
    1,007,561.76x = 771,496,506,783.36
  5. Step 5: Solve for x
    x = 771,496,506,783.36/1,007,561.76
  6. Step 6: Final answer
    x = 765,706.42

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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.