Home / 1,488,808.91-2,053,897.40-915,510.35

Finding the Fourth Proportional to 1,488,808.91, 2,053,897.40 and 915,510.35

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Solution

The fourth proportional to 1,488,808.91, 2,053,897.40 and 915,510.35 is: 1,262,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,808.91 : 2,053,897.40 = 915,510.35 : x
  2. Step 2: Convert to fraction form
    1,488,808.91/2,053,897.40 = 915,510.35/x
  3. Step 3: Cross multiply
    1,488,808.91x = 2,053,897.40 × 915,510.35
  4. Step 4: Simplify right side
    1,488,808.91x = 1,880,364,312,691.05
  5. Step 5: Solve for x
    x = 1,880,364,312,691.05/1,488,808.91
  6. Step 6: Final answer
    x = 1,262,999.10

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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.