Home / 1,133,443.47-1,564,033.08-643,256.89

Finding the Fourth Proportional to 1,133,443.47, 1,564,033.08 and 643,256.89

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Solution

The fourth proportional to 1,133,443.47, 1,564,033.08 and 643,256.89 is: 887,627.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133,443.47 : 1,564,033.08 = 643,256.89 : x
  2. Step 2: Convert to fraction form
    1,133,443.47/1,564,033.08 = 643,256.89/x
  3. Step 3: Cross multiply
    1,133,443.47x = 1,564,033.08 × 643,256.89
  4. Step 4: Simplify right side
    1,133,443.47x = 1,006,075,054,897.92
  5. Step 5: Solve for x
    x = 1,006,075,054,897.92/1,133,443.47
  6. Step 6: Final answer
    x = 887,627.02

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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.