Home / 1,528,368.36-2,109,071.28-849,290.28

Finding the Fourth Proportional to 1,528,368.36, 2,109,071.28 and 849,290.28

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Solution

The fourth proportional to 1,528,368.36, 2,109,071.28 and 849,290.28 is: 1,171,977.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,368.36 : 2,109,071.28 = 849,290.28 : x
  2. Step 2: Convert to fraction form
    1,528,368.36/2,109,071.28 = 849,290.28/x
  3. Step 3: Cross multiply
    1,528,368.36x = 2,109,071.28 × 849,290.28
  4. Step 4: Simplify right side
    1,528,368.36x = 1,791,213,737,931.16
  5. Step 5: Solve for x
    x = 1,791,213,737,931.16/1,528,368.36
  6. Step 6: Final answer
    x = 1,171,977.77

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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.