Home / 1,369,957.98-2,054,696.40-423,336.90

Finding the Fourth Proportional to 1,369,957.98, 2,054,696.40 and 423,336.90

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Solution

The fourth proportional to 1,369,957.98, 2,054,696.40 and 423,336.90 is: 634,931.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,957.98 : 2,054,696.40 = 423,336.90 : x
  2. Step 2: Convert to fraction form
    1,369,957.98/2,054,696.40 = 423,336.90/x
  3. Step 3: Cross multiply
    1,369,957.98x = 2,054,696.40 × 423,336.90
  4. Step 4: Simplify right side
    1,369,957.98x = 869,828,804,417.16
  5. Step 5: Solve for x
    x = 869,828,804,417.16/1,369,957.98
  6. Step 6: Final answer
    x = 634,931.01

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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.