Home / 1,490,830.40-2,056,821.36-974,886.32

Finding the Fourth Proportional to 1,490,830.40, 2,056,821.36 and 974,886.32

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Solution

The fourth proportional to 1,490,830.40, 2,056,821.36 and 974,886.32 is: 1,345,000.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,830.40 : 2,056,821.36 = 974,886.32 : x
  2. Step 2: Convert to fraction form
    1,490,830.40/2,056,821.36 = 974,886.32/x
  3. Step 3: Cross multiply
    1,490,830.40x = 2,056,821.36 × 974,886.32
  4. Step 4: Simplify right side
    1,490,830.40x = 2,005,167,006,547.80
  5. Step 5: Solve for x
    x = 2,005,167,006,547.80/1,490,830.40
  6. Step 6: Final answer
    x = 1,345,000.08

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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.