Home / 1,658,130.80-2,487,541.80-947,577.20

Finding the Fourth Proportional to 1,658,130.80, 2,487,541.80 and 947,577.20

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Solution

The fourth proportional to 1,658,130.80, 2,487,541.80 and 947,577.20 is: 1,421,563.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,658,130.80 : 2,487,541.80 = 947,577.20 : x
  2. Step 2: Convert to fraction form
    1,658,130.80/2,487,541.80 = 947,577.20/x
  3. Step 3: Cross multiply
    1,658,130.80x = 2,487,541.80 × 947,577.20
  4. Step 4: Simplify right side
    1,658,130.80x = 2,357,137,893,726.96
  5. Step 5: Solve for x
    x = 2,357,137,893,726.96/1,658,130.80
  6. Step 6: Final answer
    x = 1,421,563.30

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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.