Home / 1,139,681.94-1,573,072.02-709,708.02

Finding the Fourth Proportional to 1,139,681.94, 1,573,072.02 and 709,708.02

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Solution

The fourth proportional to 1,139,681.94, 1,573,072.02 and 709,708.02 is: 979,590.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,681.94 : 1,573,072.02 = 709,708.02 : x
  2. Step 2: Convert to fraction form
    1,139,681.94/1,573,072.02 = 709,708.02/x
  3. Step 3: Cross multiply
    1,139,681.94x = 1,573,072.02 × 709,708.02
  4. Step 4: Simplify right side
    1,139,681.94x = 1,116,421,828,631.60
  5. Step 5: Solve for x
    x = 1,116,421,828,631.60/1,139,681.94
  6. Step 6: Final answer
    x = 979,590.70

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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.