Home / 1,643,897.28-2,466,045.18-578,721.36

Finding the Fourth Proportional to 1,643,897.28, 2,466,045.18 and 578,721.36

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Solution

The fourth proportional to 1,643,897.28, 2,466,045.18 and 578,721.36 is: 868,152.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,897.28 : 2,466,045.18 = 578,721.36 : x
  2. Step 2: Convert to fraction form
    1,643,897.28/2,466,045.18 = 578,721.36/x
  3. Step 3: Cross multiply
    1,643,897.28x = 2,466,045.18 × 578,721.36
  4. Step 4: Simplify right side
    1,643,897.28x = 1,427,153,020,391.05
  5. Step 5: Solve for x
    x = 1,427,153,020,391.05/1,643,897.28
  6. Step 6: Final answer
    x = 868,152.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.