Home / 1,007,389.32-1,390,206.48-554,696.52

Finding the Fourth Proportional to 1,007,389.32, 1,390,206.48 and 554,696.52

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Solution

The fourth proportional to 1,007,389.32, 1,390,206.48 and 554,696.52 is: 765,486.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,389.32 : 1,390,206.48 = 554,696.52 : x
  2. Step 2: Convert to fraction form
    1,007,389.32/1,390,206.48 = 554,696.52/x
  3. Step 3: Cross multiply
    1,007,389.32x = 1,390,206.48 × 554,696.52
  4. Step 4: Simplify right side
    1,007,389.32x = 771,142,696,537.45
  5. Step 5: Solve for x
    x = 771,142,696,537.45/1,007,389.32
  6. Step 6: Final answer
    x = 765,486.27

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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.